Kevin and Jill are married and in 2019 file a joint return. Kevin is 52 and is not an active participant in a qualified employer pension plan, while Jill is 48 and is an active participant in a qualified employer pension plan. Determine the maximum Roth IRA contribution that can be made in each of the following cases:

a. Assume that they did not make any contributions to other IRA accounts during the year. When their adjusted gross income for the year is $125,000, Jill's maximum contribution to her Roth IRA is $________

b. When their adjusted gross income for the year is $194,000, Jill's maximum contribution to her Roth IRA is $__________

c. When their adjusted gross income for the year is $201,000, Jill's maximum contribution to her Roth IRA is $__________

d. Would your answer to parts a and b (for Kevin's contribution) change if Kevin makes the maximum allowable contribution to his deductible IRA? (YES OR NO)