11 A coin sold at auction in 2019 for $3,450,500. The coin had a face value of $1 when it was issued in 1792 and had been previously sold for $385,000 in 1973. a. 10 points b. At what annual rate did the coin appreciate from its first minting to the 1973 sale? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) What annual rate did the 1973 buyer earn on his purchase? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) At what annual rate did the coin appreciate from its first minting to the 2019 sale? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c. Answer is complete but not entirely correct. a. Rate of return from 1792 to 1973 b. Rate of return from 1973 to 2019 c. Rate of return from 1792 to 2019 7.41% 5.64 % % 7.05 %