A couple thinking about retirement decide to put aside $15,000 each year in a savings plan that earns 6.70% interest. In 8 years they will receive a gift of $176,000 that also can be invested.

a. How much money will they have accumulated 33 years from now?

b.	If their goal is to retire with $3,021,113 of savings, how much extra do they need to save every year?