Robert and Anne, a married couple filing jointly, have an adjusted gross income of $68,676. They claim two exemptions, and can deduct S3,752 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