Suppose that 6-month, 12-month, 18-month, and 24-month zero rates continuously compounded are 0.01, 0.02,0.01,and 0.01 per annum, respectively. Estimate the cash price of a bond with a face value of $1000 that will mature in 24 months pays a coupon of $81 per annum semiannually. Please write down the numerical answer with two decimal points and no dollar sign.