Husband is age 51 and wife is age 49. They have AGI of $115,000. Both of them are active participants in a qualified plan with their employers. The TPs file using the married filing jointly status. If they want to take the maximum combined deduction for contributions to their traditional IRAs, they will deduct $_________________ on ___________________. a. $12,000; Schedule 1, Line 16. b. $13,000; Schedule 1, Line 20 c. $6,000; Schedule 1, Line 16. d. $6,500; Schedule 1, Line 20