May has been able to accumulate $10,000 in savings from her end-of-month salary and is seeking to invest this amount plus the regular monthly salary savings of $400 into a suitable investment. Given her risk profile, the Peoples Preference Credit Union has been selected as the best financial intermediary to place her funds. The credit union has offered her a high-interest savings account with an interest rate of 8% compounded monthly for the next 4 years for the investment of Mays accumulated and ongoing savings.

a) What effective interest rate will May be earning on her funds?

b) What is the expected balance of the high-interest savings account at the end of the 4-year term?