A 10-year coupon bond with coupon rate 10% and semi-annual payment. The required return is 8%. What is the current value of such bond? 1) How many types of cash flows? 2) How many cash flow(s) for this bond? (count one coupon payment and one principle as two cash flows) 3) What is the annual coupon rate? (use decimal number not percent); what is the semi-annual coupon payment? (keep the integer, no dollar sign) 4) What is the current value of such bond? (keep integer, no dollar sign; for example: 951.61 -> 951)