8. John (single, age 52) is covered by a pension plan where he works. John's only income in 2021 is from wages as follows: John - wages $68,000 a. What is the MAXIMUM allowable deductible contribution that John can make to a traditional Individual Retirement account for 2021? b. Assuming that John makes the contribution in Part a above to his traditional IRA account, what is the maximum amount that he can contribute to a Roth IRA for 2021? C. Assuming that John does not make any contribution to a traditional IRA, what is the maximum amount that he can contribute to a Roth IRA for 2020? FOR Parts d-i below, what would your answers be to Parts a-c above if the following information applied instead: d. John is 42 e. John is 42; income is $ 78,000 f. John is 42; income is $ 78,000; he is not covered by an employer plan g. John is 42, income is $ 128,000 h. John is 42, income is $ 145,000 i. John is 42, income is $ 150,000; he is not covered by an employer plan; he only wants to make a Roth IRA contribution (answer part c only)