management 2019s discussion and analysis 58 jpmorgan chase & co./2018 form 10-k net interest income and net yield excluding cib 2019s markets businesses in addition to reviewing net interest income and the net interest yield on a managed basis , management also reviews these metrics excluding cib 2019s markets businesses , as shown below ; these metrics , which exclude cib 2019s markets businesses , are non-gaap financial measures .
management reviews these metrics to assess the performance of the firm 2019s lending , investing ( including asset-liability management ) and deposit-raising activities .
the resulting metrics that exclude cib 2019s markets businesses are referred to as non-markets-related net interest income and net yield .
cib 2019s markets businesses are fixed income markets and equity markets .
management believes that disclosure of non-markets-related net interest income and net yield provides investors and analysts with other measures by which to analyze the non-markets-related business trends of the firm and provides a comparable measure to other financial institutions that are primarily focused on lending , investing and deposit-raising activities .
year ended december 31 , ( in millions , except rates ) 2018 2017 2016 net interest income 2013 managed basis ( a ) ( b ) $ 55687 $ 51410 $ 47292 less : cib markets net interest income ( c ) 3087 4630 6334 net interest income excluding cib markets ( a ) $ 52600 $ 46780 $ 40958 average interest-earning assets $ 2229188 $ 2180592 $ 2101604 less : average cib markets interest-earning assets ( c ) 609635 540835 520307 average interest-earning assets excluding cib markets $ 1619553 $ 1639757 $ 1581297 net interest yield on average interest-earning assets 2013 managed basis 2.50% ( 2.50 % ) 2.36% ( 2.36 % ) 2.25% ( 2.25 % ) net interest yield on average cib markets interest-earning assets ( c ) 0.51 0.86 1.22 net interest yield on average interest-earning assets excluding cib markets 3.25% ( 3.25 % ) 2.85% ( 2.85 % ) 2.59% ( 2.59 % ) ( a ) interest includes the effect of related hedges .
taxable-equivalent amounts are used where applicable .
( b ) for a reconciliation of net interest income on a reported and managed basis , refer to reconciliation from the firm 2019s reported u.s .
gaap results to managed basis on page 57 .
( c ) for further information on cib 2019s markets businesses , refer to page 69 .
calculation of certain u.s .
gaap and non-gaap financial measures certain u.s .
gaap and non-gaap financial measures are calculated as follows : book value per share ( 201cbvps 201d ) common stockholders 2019 equity at period-end / common shares at period-end overhead ratio total noninterest expense / total net revenue return on assets ( 201croa 201d ) reported net income / total average assets return on common equity ( 201croe 201d ) net income* / average common stockholders 2019 equity return on tangible common equity ( 201crotce 201d ) net income* / average tangible common equity tangible book value per share ( 201ctbvps 201d ) tangible common equity at period-end / common shares at period-end * represents net income applicable to common equity the firm also reviews adjusted expense , which is noninterest expense excluding firmwide legal expense and is therefore a non-gaap financial measure .
additionally , certain credit metrics and ratios disclosed by the firm exclude pci loans , and are therefore non-gaap measures .
management believes these measures help investors understand the effect of these items on reported results and provide an alternate presentation of the firm 2019s performance .
for additional information on credit metrics and ratios excluding pci loans , refer to credit and investment risk management on pages 102-123. .

year ended december 31 ( in millions except rates )
2018
2017
2016
net interest income 2013 managed basis ( a ) ( b )
$ 55687
$ 51410
$ 47292
less : cib markets net interest income ( c )
3087
4630
6334
net interest income excluding cib markets ( a )
$ 52600
$ 46780
$ 40958
average interest-earning assets
$ 2229188
$ 2180592
$ 2101604
less : average cib markets interest-earning assets ( c )
609635
540835
520307
average interest-earning assets excluding cib markets
$ 1619553
$ 1639757
$ 1581297
net interest yield on average interest-earning assets 2013 managed basis
2.50% ( 2.50 % )
2.36% ( 2.36 % )
2.25% ( 2.25 % )
net interest yield on average cib markets interest-earning assets ( c )
0.51
0.86
1.22
net interest yield on average interest-earning assets excluding cib markets
3.25% ( 3.25 % )
2.85% ( 2.85 % )
2.59% ( 2.59 % )

management 2019s discussion and analysis 58 jpmorgan chase & co./2018 form 10-k net interest income and net yield excluding cib 2019s markets businesses in addition to reviewing net interest income and the net interest yield on a managed basis , management also reviews these metrics excluding cib 2019s markets businesses , as shown below ; these metrics , which exclude cib 2019s markets businesses , are non-gaap financial measures .
management reviews these metrics to assess the performance of the firm 2019s lending , investing ( including asset-liability management ) and deposit-raising activities .
the resulting metrics that exclude cib 2019s markets businesses are referred to as non-markets-related net interest income and net yield .
cib 2019s markets businesses are fixed income markets and equity markets .
management believes that disclosure of non-markets-related net interest income and net yield provides investors and analysts with other measures by which to analyze the non-markets-related business trends of the firm and provides a comparable measure to other financial institutions that are primarily focused on lending , investing and deposit-raising activities .
year ended december 31 , ( in millions , except rates ) 2018 2017 2016 net interest income 2013 managed basis ( a ) ( b ) $ 55687 $ 51410 $ 47292 less : cib markets net interest income ( c ) 3087 4630 6334 net interest income excluding cib markets ( a ) $ 52600 $ 46780 $ 40958 average interest-earning assets $ 2229188 $ 2180592 $ 2101604 less : average cib markets interest-earning assets ( c ) 609635 540835 520307 average interest-earning assets excluding cib markets $ 1619553 $ 1639757 $ 1581297 net interest yield on average interest-earning assets 2013 managed basis 2.50% ( 2.50 % ) 2.36% ( 2.36 % ) 2.25% ( 2.25 % ) net interest yield on average cib markets interest-earning assets ( c ) 0.51 0.86 1.22 net interest yield on average interest-earning assets excluding cib markets 3.25% ( 3.25 % ) 2.85% ( 2.85 % ) 2.59% ( 2.59 % ) ( a ) interest includes the effect of related hedges .
taxable-equivalent amounts are used where applicable .
( b ) for a reconciliation of net interest income on a reported and managed basis , refer to reconciliation from the firm 2019s reported u.s .
gaap results to managed basis on page 57 .
( c ) for further information on cib 2019s markets businesses , refer to page 69 .
calculation of certain u.s .
gaap and non-gaap financial measures certain u.s .
gaap and non-gaap financial measures are calculated as follows : book value per share ( 201cbvps 201d ) common stockholders 2019 equity at period-end / common shares at period-end overhead ratio total noninterest expense / total net revenue return on assets ( 201croa 201d ) reported net income / total average assets return on common equity ( 201croe 201d ) net income* / average common stockholders 2019 equity return on tangible common equity ( 201crotce 201d ) net income* / average tangible common equity tangible book value per share ( 201ctbvps 201d ) tangible common equity at period-end / common shares at period-end * represents net income applicable to common equity the firm also reviews adjusted expense , which is noninterest expense excluding firmwide legal expense and is therefore a non-gaap financial measure .
additionally , certain credit metrics and ratios disclosed by the firm exclude pci loans , and are therefore non-gaap measures .
management believes these measures help investors understand the effect of these items on reported results and provide an alternate presentation of the firm 2019s performance .
for additional information on credit metrics and ratios excluding pci loans , refer to credit and investment risk management on pages 102-123. .

Question: in 2017 what was the percent of the cib markets net interest income as part of the managed interest income
Answer: 9.9%
Calculation: divide(4630, 46780)