Retirement Planning with gift A couple thinking about retirement decide to put aside $21,500 each year in a savings plan that earns 8.80% interest. In 5 years they will receive a gift of $73,500 that also can be invested. a. How much money will they have accumulated 16 years from now? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. If their gol is to retire with $1,348,479 of savings, how much extra do they need to save every year? (Do not round intermediate calculations. Round your answer to 2 decimal places.)