Please answer each part of this question using detailed steps and I will submit them soon, thanks for your help!

Assume a bond has a face value of $1.000 and matures in 7 years. The bonds pay 4% coupon interest semi-annually. Suppose you buy the bond for $970 and hold it to maturity. What is your return on this bond? Present your answer in percentage to 3 decimal places (including the \% symbol), e.g. 12.345\% (25\% marks will be deducted if the \% symbol is not provided)