3. On February 1, the balance in your account is $516.81. On July 1,

you deposit $310.90. Your bank pays 6.25% interest.

a. How much interest have you earned on July 1?

b. What is the amount in your account on July 1?

c. How much interest have you earned on November 1?

d. What is the amount in your account on November 1?