57. FINANCIAL LITERACY Cleavon has money in an account that eams 3% simple interest. The formula for computing simple interests I = Prt, where I is the interest earned, P represents the principal that he put into the account, r is the interest rate (in decimal form), and t represents time in years,

a. Cleavon makes a deposit of $2c and leaves it for 2 years. Write a monomial that represents the interest earned,

b. If c represents a birthday gift of $250, how much will Cleavon have in this account after 2 years?