2. (20 points) Given a loan of $100,000 is being repaid with monthly mortgage payments X for 20 years at annual interest i -10%. The payment is due at the end of each month. Use EXCEL Sheet to find X X X X (Diagram for Problems 2) 1 2 t-120 n - 240 months (t = 20 years) L -100,000 P120 = ? (12) a) the monthly effective interest rate i* =: 0 3 12 b) the installation payment X= c) the Outstanding Balance at the end of 10th year, P120_3 d) the Interest paid at 120h payment period, 1120 = __: e) the Principal paid at 120 payment period, A120 =