Today is 1 July 2021, William plans to purchase a corporate bond with a coupon rate of j = 4.94% p.a. and face value of 100. This corporate bond matures at par. The maturity date is 1 January 2024. The yield rate is assumed to be j = 5% p.a. Assume that this corporate bond has a 8.2% chance of default in any six-month period during the term of the bond. Assume also that, if default occurs, William will receive no further payments at all. Calculate the purchase price for 1 unit of this corporate bond. Round your answer to three decimal places. a. 98.920 O b. 66.603 c. 100.818 O d. 61.862