Find the value of monthly installment for loan of amount Rs 50,00,000 with maturity of 15 years and at rate of interest 15%. Prepare a loan Amortization table to indicate how much principle and interest will be repaid (monthly) by a businessman who had borrowed Rs50,00,000 to start a business with maturity of 15 years. Suppose the interest rate for first 120 installments is 15% and at the end of 120th installment the interest rate decrease to 12%