In 2018, Nina and Bob are married and reported the following items of income at the end of the tax year: Nina Bob Total Salary $40,000 $40,000 $1,000 $ 200 $ 1,200 Interest income $10,000 $10.000 Alimony SO received (prior to marriage) Total $41,000 $10,000 $51,200 Neither Nina nor Bob is covered by a qualified retirement plan. They were married in December 2018. Assuming they file married filing jointly and are both age 45, what is the maximum combined tax deductible amount, if any, that they can contribute to their traditional IRAs? $5,500 $0 $11,000 $6,500