2.15 A married couple borrowed 200,000 over 20 years from a lending institution charging interest per annum convertible monthly. The couple decided to repay the loan in fixed monthly repayments during each year but to increase the monthly repayments by 5% on an annual basis. Calculate the monthly repayment for the first and final years. 2.16 A continuous payment stream is such that the level rate of payment in year t is 100(1 + 9- for t = 1, 2, ...,20 and where g Calculate the present value of the payment streams at its commencement date, assuming a rate of interest of 72% per annum convertible monthly. 2.15 A married couple borrowed 200,000 over 20 years from a lending institution charging interest per annum convertible monthly. The couple decided to repay the loan in fixed monthly repayments during each year but to increase the monthly repayments by 5% on an annual basis. Calculate the monthly repayment for the first and final years. 2.16 A continuous payment stream is such that the level rate of payment in year t is 100(1 + 9- for t = 1, 2, ...,20 and where g Calculate the present value of the payment streams at its commencement date, assuming a rate of interest of 72% per annum convertible monthly