Finance Return on the project Problems

1. You purchased one bond for $80. One year later you sold the bond for $83.25, and the coupon payment was $12. What is the RET, or the return from holding the bond over the one-year period?

2.If a coupon bond that pays annual interest has a par value of $1,000, matures in 6 years, has a coupon rate of 7.50%, and has a yield to maturity of 7.74%. The current yield on this bond is 

3.If your nominal income in 2012 is $50,000, and prices increase by 50% between 1998 and 2008, then to have the same real income, your nominal income in 2013 must be