7. Assume that the risk-free interest rate is 6% per annum with continuous compounding and that the dividend yield on a stock index varies throughout the year. In February, May, August, and November, dividends are paid at a rate of 6% per annum. In other months, dividends are paid at a rate of 2.5% per annum. Suppose that the value of the index on July 31 is 1,500. What is the futures price for a contract deliverable on December 31 of the same year