Jay purchased a Treasury bond with a coupon rate of 4.37% and face value of $100. The maturity date of the bond is 15 March 2029.

(a) Yuri plans to purchase Jay's Treasury bond on 10 September 2021. What price will Yuri pay (round to four decimal places)? Assume a yield of 2.55% p.a. compounded half-yearly. Round your answer to four decimal places.

(b) In fact, Yuri changes his plan and Jay plans to sell this bond on 11 January 2022. What was Jay's sale price (rounded to four decimal places)? Assume a yield of 2.55% p.a. compounded half-yearly.