Q.5 What was the bond' s coupon On 11/18/2021 the China' s Ministry of Finance sold the 2B worth of five-year bond at 99 yuan, or an issuance yield of 2.6%, while the 1B of 10 -year treasury bonds were sold at 111 yuan, or 2.8%.Missing are the 5Y and 10Y bonds' coupon rates ; calculate them