1. Give your answers to the following questions as percentages to 3 decimal places, showing working for each part. (a) Suppose we have an account which earns a nominal annual interest rate of 4% paid monthly. What is its annual percentage yield? (b) What would the nominal annual interest rate of an account have to be if the interest is earned monthly and the annual percentage yield is 5% ? (c) What would the nominal annual interest rate of an account have to be if the interest is earned continuously and the annual percentage yield is 5%