The following question deals with the broad differences between the Roth IRA, the traditional deductible IRA, and the traditional nondeductible IRA.Indicate for each of these three IRAs, the treatment for initial contributions, the treatment for investment earnings held in an IRA, and the treatment of distributions from an IRA.

a) Which of these IRAs allows initial contributions to be made with before-tax dollars?

b) Which of these IRAs allows investment earnings, as long as they are held in a IRA, to not be subject to income taxes?

c) Which are these IRAs allow complete tax-free distributions to be made if certain conditions are met?