A traditional IRA and a Roth IRA have both similarities and differences. Compare and contrast (1) a traditional IRA with (2) a Roth IRA with respect to each of the following:
a. Income-tax treatment of IRA contributions and distributions
b. Income limits for eligibility
c. Determining how the IRA contributions are invested
d. Eligibility, if any, of a spouse who is not in the paid labor force to make an IRA contribution