Karl is planning to purchase a Treasury bond paying a (j2) coupon rate of 3.86% p.a. The face value of the bond is $100. Its maturity date is 15 March 2033; the bond matures at par. If Karl purchased this bond on 4 March 2020, what is his purchase price (rounded to four decimal places)? Assume a yield rate of 4.24% p.a., compounded half-yearly. Karl needs to pay 19.7% of coupon payments and capital gains in tax. Assume that all tax payments are delayed by a halfyear. a. $89.0716 b. $87.3203 c. $79.1253 d. $98.0081