Corey has 16 cups of flour to make cookies. one batch of cookies takes 2 1/2 cups of flour. if he must save 6 cups of flour for other baking. also explain how you got it

Which account has the highest effective annual interest rate? not necessary but show how you got your answer.a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.