6. A $100,000 mortgage is to be paid off in 360 equal monthly payments of d dollars. Interest, compounded monthly, is charged at the rate of 10 percent per annum on the unpaid balance (e.g. after the first month, the total debt equals $100,000+ (0.10/12)$100,000) a. If the person makes payment of b. Find the payment d so that the mortgage is paid in full after 30 years, leaving a net balance of zero. Use your knowledge of DSP to write an equation which describes this problem. Solve the problem using MATLAB