Question 8 You are offered a $200,000 mortgage. Payments are to be made monthly. Assume a fixed interest rate. 1. Plot a graph of the payment as a function of the interest rate. Use an annual interest rate ranging from 0% to 12% (remember to divide the interest rate by 12 to obtain a monthly rate). Assume that the mortgage is to be repaid over 30 years. 2. Plot a graph of the total interest paid as a function of the interest rate ranging from 0% to 12% (remember to divide the interest rate by 12 to obtain a monthly rate). Assume that the mortgage is to be repaid over 30 years