I need help with letter d please

Applicable Percentage Modified Adjusted Gross Income All Other Joint Return Head of Household Filing Status Over Not Over Over Not Over Over Not Over $ 0 $38,500 $ 0 $28,875 $ 0 $19,250 38,500 41.500 28,875 31,125 19,250 20.750 41,500 64,000 31,125 48,000 20,750 32,000 64,000 48,000 32,000 20% 10 64,00 Problem 9-56 (LO 9-6) Determine the retirement savings contributions credit in each of the following cases. Use Table 9-2. Answer is complete but not entirely correct. A married couple filing jointly with modified AGI of $37,500 and an IRA contribution of $1.600. A married couple fling jointly with modified AGI of $58,000 and an IRA contribution of $1,500. A head of household taxpayer with modified AGI of $33,000 and Roth IRA contribution of $2,000. A single taxpayer with modified AG of $12,000 and an IRA contribution of $2,300. Retirement Savings Contributions Credit 800 150 200 1.150 1996