A coin sold at auction in 2017 for $3,450,500. The coin had a face value of $1 when it was issued in 1792 and had previously been sold for $385,000 in 1973. 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.) b. a. 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 2017 sale? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) C. Rate of return from 1792 to 1973 a. b. Rate of return from 1973 to 2017 Rate of return from 1792 to 2017 C