A couple thinking about retirement decide to put aside $21,000 each year in a savings plan that earns 11.30% interest. In 7 years they will receive a gift of $118,500 that also can be invested.

a. How much money will they have accumulated 30 years from now? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Accumulated savings $

b. If their goal is to retire with $6,281,586 of savings, how much extra do they need to save every year? (Do not round intermediate calculations. Round your answer to 2 decimal places.)