You are going to buy a bond due in $5$ years with no call protection.

Coupon: $,8\%,($note the bond pays $\frac{1}{2}$ the coupon every $6$ months$).$

Your boss wants you to fill in the following IRR table at purchase prices of the bonds ranging from $85\%$ to

$105\%$ and prepayment starting at $1$ year till maturity.

IRR Table:

Re$-$do table assuming the following call

Re$-$do table assuming the following call protection: