8-Need expert to help solve these problem. please need your answer be specific and clear.

A bond which sells for less than the face value is called a: a. par value bond b. perpetuity c. debenture d. discount bond e. premium bond The cost of debt is defined as the: a. annual interest divided by the current price b. pre-tax change in the face value of a bond over time c. aftertax change in the face value of a bond over time d. capital gain less the interest income e. return that lenders require on any new borrowing by the firm A portfolio weight is defined as the: a. total number of shares in a particular asset divided by the total number of shares held in a portfolio b. total market value of a portfolio divided by the total book value of that portfolio c. total current market value of an entire portfolio of diversified holdings d. current value of a portfolio minus the value one year ago, divided by the value one year ago e. percentage of a portfolio's total value that is invested in a particular assets