The "Brasher doubloon," which was featured in the plot of the Raymond Chandler novel, The High Window, was sold at auction in 2014 for $4,582,500. The coin had a face value of $15 when it was first issued in 1787 and had been previously sold for $430,000 in 1979 1:51:27 o. At what annual rate of return did the coin appreciate from its minting to the 1979 sale? (Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What annual rate of return did the 1979 buyer earn on his purchase? (Do not round Intermediate calculations and enter your answer as a percent rounded rounded to 2 decimal places, e.g. 32.16.) c. At what annual rate of return did the coin appreciate from its minting to the 2014 sale? (Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Although appealing to more refined tastes, art as a collectible has not always performed so profitably. During 2003, Sotheby's sold the Edgar Degas bronze sculpture Petite Danseuse de Quatorze Ans at auction for a price of $10,311,500. Unfortunately for the previous owner, he had purchased it in 1999 at a price of $12.377,500 What was his annual rate of return on this sculpture? (A negative answer should be indicated by a minus sign. Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, ... 32.16.) Annual rate of retum 7%