Bond A is a 20-year 1000 par value bond with annual coupons of 5% while Bond B is a 10-year F par value bond with annual coupons of 3%. Both bonds redeem at face-value and both are priced to yield an annual effective interest rate of 4%. After 5.3 years, the market-price of Bond A is equal to the market-price of Bond B. Find F. Give your answer rounded to the nearest whole number (i.e. X).