1. If you invest $1000 in a CD at 4% annual interest, compounded quarterly, what is the corresponding APY?
2. If you invest $2000 in a CD at 5% annual interest, compounded quarterly, what is the corresponding APY?
3. If buy a bond with a par value of $1000, and a with a 6% coupon rate but you pay $1050 for the bond (even though its face value is $1000), what is the Current Yield on your investment?
4. If buy a bond with a par value of $2000, and a with a 5% coupon rate but you pay $1980 for the bond (even though its face value is $2000), what is the Current Yield on your investment?