Mr. and Mrs. Alexander have two dependent children. They paid $7.200 wages to a housekeeper to care for the children and $549 employer payroll tax on her wages. Mr. and Mrs. Alexander file a joint return. Assume the taxable year is 2020. Required: a. Compute their dependent care credit if one child is age 10, and the other is age 15. Mr. Alexander's earned income is $75,000, and Mrs. Alexander has no earned Income. Their AGI is $81,300. b. Compute their dependent care credit if one child is age 2, and the other is age 6. Mr. Alexander's earned income is $45,000, and Mrs. Alexander's earned Income is $28,000. Their AGI is $81,300. Complete this question by entering your answers in the tabs below. Required A Required B Compute their dependent care credit if one child is age 10, and the other is age 15. Mr. Alexander's earned Income is $75,000, and Mrs. Alexander has no earned Income. Their AGI is $81,300