In 1990 Mrs. John Hay Whitney sold her painting by Renoir, Au Moulin de la Galette, depicting an open-air dance hall, for $71 million. The buyer also had to pay the auction house commission of 10%, or a total of $78.1 million. The Whitney family had purchased the painting in 1929 for $165,000. What rate of return did Mrs. Whitney receive on the in the investment per year? Was the rate of return really as high as you computed in (a)? Explain (assume consumer price index was 17 in 1929 and 119 in 1990) Traffic at a certain intersection is 2200 cars per day. A consultant has told the city that traffic is expected to grow at a continuous rate of 5% per year. How much traffic will be expected at the end of 5 years