9.1.2 Find the value after 10 years of 500 compounded (a) annually, (b) monthly, (c) continuously, at an interest rate of 4% per annum. Comment. How do your answers change when the time period involved is 2 years? 9.1.3 Find the present value of 400 to be paid in 5 years time if it is discounted (a) annually, (b) monthly, (c) continuously, at a rate of 7% per annum. Comment