I need help with problem 4 on a Finance word problems that involves these topics: Cost of Capital, Capital Budgeting Basics, an Cash Flow estimation with Risk Analysis. I have provided these questions in jpeg form people. Please show the work that helped you arrive to the answers.

Silver Stores' long-long debt consists of two different issues o information of the two bonds is given below. Silver's tax rate is 40% bonds (A & B). The Bond Market Value After-Tax Cost $ 300 million 200 million 6.3% turity of 20-year, sold at a net price (after flotation cost) of $1,106.78, upon rate f8 4A. Bond A has a ma and an annual co A's after-tax cost for Silver Stores? (6 points) % and pays semiannual coupon payments. What is bond 4B. What is Silver's after-tax cost of long-term debt both A and B together)? (7 points