Please solve this problem for CONTINUOUS COMPOUNDING for PART A ONLY!! Please show all work. The answer should be $56,118.82, however I need to see the work.

2.31 Mr. White is planning to take early retirement. He has decided that he needs $15000 per year to live on, for the first 5 years of his retirement; after that, his Social Security and other pension plans will provide him an adequate retirement income. How much money must he have in the bank for his 5-year early retirement period, if the bank pays (a) 10%, (b) 9%, per year, compounded annually, on the funds? Ans. (a) $56 861.80; (b) $57 968.26