{"pre_text": ["goodwill and intangible asset impairment charge during the third quarter of fiscal year 2017 , we determined that the goodwill and indefinite-lived intangible assets ( primarily acquired trade names ) associated with our latin america reporting unit of our industrial gases 2013 americas segment were impaired .", "we recorded a noncash impairment charge of $ 162.1 ( $ 154.1 attributable to air products , after-tax , or $ .70 per share ) , which was driven by lower economic growth and profitability in the region .", "this impairment charge has been excluded from segment results .", "refer to note 10 , goodwill , and note 11 , intangible assets , to the consolidated financial statements for additional information .", "other income ( expense ) , net items recorded to \"other income ( expense ) , net\" arise from transactions and events not directly related to our principal income earning activities .", "the detail of \"other income ( expense ) , net\" is presented in note 23 , supplemental information , to the consolidated financial statements .", "2018 vs .", "2017 other income ( expense ) , net of $ 50.2 decreased $ 70.8 , primarily due to lower income from the transition services agreements with versum and evonik , lower income from the sale of assets and investments , lower favorable contract settlements , and an unfavorable foreign exchange impact .", "2017 vs .", "2016 other income ( expense ) , net of $ 121.0 increased $ 71.6 , primarily due to income from transition services agreements with versum and evonik , income from the sale of assets and investments , including a gain of $ 12.2 ( $ 7.6 after-tax , or $ .03 per share ) resulting from the sale of a parcel of land , and a favorable foreign exchange impact .", "interest expense ."], "post_text": ["2018 vs .", "2017 interest incurred increased $ 10.4 as project financing associated with the lu'an joint venture and a higher average interest rate on the debt portfolio were partially offset by the impact from a lower average debt balance .", "the change in capitalized interest was driven by an increase in the carrying value of projects under construction .", "2017 vs .", "2016 interest incurred decreased $ 8.3 as the impact from a lower average debt balance of $ 26 was partially offset by the impact from a higher average interest rate on the debt portfolio of $ 19 .", "the change in capitalized interest was driven by a decrease in the carrying value of projects under construction , primarily as a result of our decision to exit from the efw business .", "other non-operating income ( expense ) , net 2018 vs .", "2017 other non-operating income ( expense ) , net of $ 5.1 decreased $ 11.5 .", "during the fourth quarter of fiscal year 2018 , we recognized a pension settlement loss of $ 43.7 ( $ 33.2 after-tax , or $ .15 per share ) that primarily resulted from the transfer of certain pension payment obligations to an insurer for our u.s .", "salaried and hourly plans through the purchase of an irrevocable , nonparticipating group annuity contract with plan assets .", "for additional information , refer to note 16 , retirement benefits , to the consolidated financial statements .", "this loss was partially offset by higher interest income on cash and cash items and short-term investments and lower other non-service pension expense .", "the prior year pension expense included a settlement loss of $ 10.5 ( $ 6.6 after-tax , or $ .03 per share ) associated with the u.s .", "supplementary pension plan and a settlement benefit of $ 2.3 related to the disposition of emd and pmd. ."], "table": [["", "2018", "2017", "2016"], ["interest incurred", "$ 150.0", "$ 139.6", "$ 147.9"], ["less : capitalized interest", "19.5", "19.0", "32.7"], ["interest expense", "$ 130.5", "$ 120.6", "$ 115.2"]], "table_ori": [["", "2018", "2017", "2016"], ["Interest incurred", "$150.0", "$139.6", "$147.9"], ["Less: Capitalized interest", "19.5", "19.0", "32.7"], ["Interest Expense", "$130.5", "$120.6", "$115.2"]]}

Question: what was the increase in the interest expenses during 2017 and 2018?
Evidence:
table_3: the interest expense of 2018 is $ 130.5 ; the interest expense of 2017 is $ 120.6 ; the interest expense of 2016 is $ 115.2 ;
Program: divide(130.5, 120.6), subtract(#0, const_1)
Answer:
str_answer: 8.21%
exe_answer: 0.08209