During the year, a married couple pays $3,500 in qualified childcare expenses to a nanny to look after their 8-year-old son. The husband works and has $56,000 of wages during the year; the wife attended college as a full-time student for 10 months of the year. Based on the couple's AGI, the percentage they can use to compute their child and dependent care credit is 26%. The couple's child and dependent care credit is:a. $910.b. $780.c. $650.d. $1,000.e. $0.