2. a. The human life value is one method for estimating the amount of life insurance to own. Keeping all other factors unchanged, explain the effect, if any, of each of the following: 1. The discount rate used to calculate the human life value is increased. 2. The amount of average annual income going to the family is increased. 3. The period over which income is paid to the family is reduced. b. Explain the limitations of the human life value approach as a method for determining the amount of life insurance to own