Determine how much is in each account on the basis of the indicated compounding after the specified years have passed; P is the initial principal, and r is the annual rate given as a percent. (Round your answers to the nearest cent.) P = $3000 and r = 8.6%, compounded annually (a) after 5 years $ (b) after 12 years $ (c) after 14 years $ (d) after 30 years.