Abby owns a comic book that originally sold for 12¢ in 1969. in 2014, the comic book had an appraised valued of $3,700. given that the annual percentage rate has been constant, what is the annual percentage rate of growth? a) 23.28% b) 25.82% c) 26.33% d) 28.94%

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?