Henry is planning to purchase a Treasury bond with a coupon rate of 3.13% and face value of $100. The maturity date of the bond is 15 May 2033. (a) If Henry purchased this bond on 3 May 2018, what is his purchase price (rounded to four decimal places)? Assume a yield rate of 4.88% p.a. compounded half-yearly. Select one: O a. 81.4084 O b. 82.9709 c. 83.39 d. 82.9731