ART Vandelay Inc. has two different bonds currently outstanding. Bond A has a face value of $40,000 and matures in 20 years. The bond makes no payment for the first 6 years, pays $2000 semiannually for the subsequent eight years, and finally $2500 semiannually for the last 6 years. Bond B also has a value of $40,000 and matures in 20 years. However, it makes no coupon payments over the life of the bond. If the stated annual interest rate is 12%, compounded semiannually, a. What is the current price of Bond A? b. What is the current price of Bond B? solve in excel and give me formulas as well used in excel