Question 21 (3 points) Saved For 2021. J (who is single with no dependents) earned $20,550 in wages and contributed $2.200 to his traditional IRA. Assume he claimed a $12,550 standard deduction and he had no other income or expense during 2021. Assume his 2021 taxable income was subject to a 10% tax rate. Assume the 2021 applicable percentage for saver's credit for single taxpayers with AGI between $0 and $19,750 is 50%, and between $19,751 and $21.500 is 20%. How ntuch saver's credit should he claim on his 2021 Form 1040? Circle the letter corresponding to the best answer. Show your work for partial credit. a. $580 b. $1,000 c. $800 d. $1,100 d AJ