j.p . morgan chase & co . / 2003 annual report 65 the commercial specific loss component of the allowance was $ 917 million at december 31 , 2003 , a decrease of 43% ( 43 % ) from year-end 2002 . the decrease was attributable to the improve- ment in the credit quality of the commercial loan portfolio , as well as the reduction in the size of the portfolio . the commercial expected loss component of the allowance was $ 454 million at december 31 , 2003 , a decrease of 26% ( 26 % ) from year- end 2002 . the decrease reflected an improvement in the average quality of the loan portfolio , as well as the improving credit envi- ronment , which affected inputs to the expected loss model . the consumer expected loss component of the allowance was $ 2.3 billion at december 31 , 2003 , a decrease of 4% ( 4 % ) from year- end 2002 . although the consumer managed loan portfolio increased by 10% ( 10 % ) , the businesses that drove the increase , home finance and auto finance , have collateralized products with lower expected loss rates . the residual component of the allowance was $ 895 million at december 31 , 2003 . the residual component , which incorpo- rates management's judgment , addresses uncertainties that are not considered in the formula-based commercial specific and expected components of the allowance for credit losses . the $ 121 million increase addressed uncertainties in the eco- nomic environment and concentrations in the commercial loan portfolio that existed during the first half of 2003 . in the sec- ond half of the year , as commercial credit quality continued to improve and the commercial allowance declined further , the residual component was reduced as well . at december 31 , 2003 , the residual component represented approximately 20% ( 20 % ) of the total allowance for loan losses , within the firm 2019s target range of between 10% ( 10 % ) and 20% ( 20 % ) . the firm anticipates that if the current positive trend in economic conditions and credit quality continues , the commercial and residual components will continue to be reduced . lending-related commitments to provide for the risk of loss inherent in the credit-extension process , management also computes specific and expected loss components as well as a residual component for commercial lending 2013related commitments . this is computed using a methodology similar to that used for the commercial loan port- folio , modified for expected maturities and probabilities of drawdown . the allowance decreased by 11% ( 11 % ) to $ 324 million as of december 31 , 2003 , due to improvement in the criticized portion of the firm 2019s lending-related commitments . credit costs .

for the year ended december 31 commercial (1): provision for loan losses: -30
provision for lending-related commitments: -47
securitized credit losses: 2014
total managed credit costs: -77
for the year ended december 31 consumer (1): provision for loan losses: 1491
provision for lending-related commitments: 2014
securitized credit losses: 1870
total managed credit costs: 3361
for the year ended december 31 residual: provision for loan losses: 118
provision for lending-related commitments: 8
securitized credit losses: 2014
total managed credit costs: 126
for the year ended december 31 total: provision for loan losses: 1579
provision for lending-related commitments: -39
securitized credit losses: 1870
total managed credit costs: 3410
for the year ended december 31 commercial (2): provision for loan losses: 2371
provision for lending-related commitments: 309
securitized credit losses: 2014
total managed credit costs: 2680
for the year ended december 31 consumer (2): provision for loan losses: 1589
provision for lending-related commitments: 2014
securitized credit losses: 1439
total managed credit costs: 3028
residual: provision for loan losses: 79
provision for lending-related commitments: -17
securitized credit losses: 2014
total managed credit costs: 62
total: provision for loan losses: 4039
provision for lending-related commitments: 292
securitized credit losses: 1439
total managed credit costs: 5770

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Questions:
how much, in percentage, is the consumer expected loss allowance in 2003 in relation to the consumer expected loss allowance in 2002, considering the percentage decrease over the year?
and what is the numerical representation of that percentage?
considering the consumer expected loss allowance in 2003 and its value as a part of the 2002 one, what can be concluded to be the 2002 consumer expected loss allowance, in billions?

Answers:
96
.96
2.4