Calculate Sandra's human life value. Please show detailed calculations on how you got your answer. Show your calculations (no calculations = no credit) 1. Sandra, age 45, is married with two children in high school. She estimates that her average annual earnings over the next 20 years will be $54,000. She estimates that one-third of her average annual earnings will be used to pay taxes, insurance premiums, and the costs of self-maintenance. The remainder will be used to support her family. Sandra wants to calculate her human life value and believes a 6 percent discount rate is appropriate. The present value of $1 payable for 20 years at a discount rate of 6 percent is $11.47. Calculate Sandra's human life value