The demand for cat food is given by d ( x ) = 140 e − 0.03 x where x is the number of units sold and d(x) is the price in dollars. find the revenue function. r ( x ) = incorrect syntax error find the number of units sold that will maximize the revenue. find the price that will yield the maximum revenue.

Bonds often pay a coupon twice a year. for the valuation of bonds that make semiannual payments, the number of periods doubles, whereas the amount of cash flow decreases by half. using the values of cash flows and number of periods, the valuation model is adjusted accordingly. assume that a $1,000,000 par value, semiannual coupon us treasury note with three years to maturity has a coupon rate of 3%. the yield to maturity (ytm) of the bond is 7.70%. using this information and ignoring the other costs involved, calculate the value of the treasury note: