Ricardo has 2020 coins, some of which are pennies (1-сent coins) and the rest of which are
nickels (5-cent coins). He has at least one penny and at least one nickel. What is the difference
in cents between the greatest possible and least possible amounts of money that Ricardo can
have?
(A) 8062
(B) 8068
(C) 8072
(D) 8076
(E) 8082