Ms. Ray is age 46 and single. Her employer made a $2,730 contribution to her qualified profit-sharing plan account, and she made the maximum contribution to her traditional IRA. Compute her IRA deduction if:
a. Ms. Ray's $50,000 salary is her only income item.
b. Ms. Ray's S64,250 salary is her only income item.
c. Ms. Ray's $64,250 salary and S 7,970 dividend income are her only income items.