[The following information applies to the questions displayed below.) John (age 51 and single) has earned income of $4,500. He has $35,300 of unearned (capital gain) Income. o. If he does not participate in an employer-sponsored plan, what is the maximum deductible IRA contribution John can make in 2020? Marimum deductible IRA contribution b. If he does participate in an employer-sponsored plan, what is the maximum deductible IRA contribution John can make in 2020? Minimum deductible IRA Contribution c. If he does not participate in an employer sponsored plan, what is the maximum deductible IRA contribution John can make in 2020 if he has earned income of $11,500? Maximum deductible IRA Contribution