Robert and anne, a married couple filing jointly, have an adjusted gross income of $68,676. they claim two exemptions, and can deduct $3,752 for charitable donations, $3,375 for interest on their mortgage, and $959 from city income tax. if the standard deduction for a married couple filing jointly is $8,350 and exemptions are worth $3,650 apiece, what is their total taxable income? a. $53,290 b. $53,026 c. $44,940 d. $61,640