Child and Dependent Care Credit. In each of the following independent situations, deter- mine the amount of the child and dependent care tax credit. (Assume that both taxpayers are employed and the year is 2021.) a. Brad and Bonnie are married and file a joint return, with earned income of $40,000 and $14,000, respectively. Their combined AGI is $52,000. They have two children, ages 10 and 12, and employ a live-in nanny at an annual cost of $9,000. b. Assume the same facts as in Part a, except that Brad and Bonnie employ Bonnie's mother, who is not their dependent, as the live-in nanny. c. Bruce is divorced and has two children, ages 10 and 16. He has AGI and earned income of $35,000. Bruce incurs qualifying child care expenses of $8,000 during the year, incurred equally for both children. Bruce's employer maintains an employee dependent care assistance program. $1,000 was paid to Bruce from this program and excluded from Bruce's gross income. d. Buddy and Candice are married and file a joint return. Their combined AGI is $50,000. Buddy earns $46,000, and Candice's salary from a part-time job is $4,000. They incur $5,000 of qualifying child care expenses for a day-care facility for their two children, ages 2 and 4. e. Ben and Bunny are married and file a joint return. Their AGI is $75,000, all earned by Bunny. Ben was a full-time student for two semesters (10 months) at State University during the year. They incur $7,000 of qualifying child care expenses for their two chil- dren, ages 6 and 4