11. Mr. and Mrs. Nash planned to make 19 identical yearly payments to fund the college education of their daughter, Susan. The estimated college expense is $29000 per year for the four years. The annual interest rate over the next few decades will be 13 percent. a) what are the yearly payments that have to be made to pay for the college? Alternatively, imagine that they planned to increase their payments at 6 percent per year. b) calculate the payment that must be made in the first year. c) what is the difference between the 2 payments