Requirement 1. What are Wu's annual payments if her interest rate is (a) 4%, (b) 8%, and (c) 12%, compounded annually? (Round your final answers to the nearest whole dollar.) Begin by selecting the formula you will need to answer this question for each of the three scenarios (a., b., and c.) ]= Requirements 1. What are Wu's annual payments if her interest rate is (a) 4%, (b) 8%, and (c) 12%, compounded annually? 2. Repeat number 1 for a 20 -year mortgage 3. Suppose Wu had to choose between a 30 -year and a 20 -year mortgage, either one at a(n)8% interest rate. Compute the total payments and total interest paid on (a) a 30-year mortgage and (b) a 20-year mortgage. Data table Data table