4. Consider a project costing 10,000 each year for year 1 to year 5. Then, starting in year 6, the project will generate a profit of 7,000 each year forever. Suppose that the interest rate is of 5% per year annually compounded. (a) Write the present value of this project at end of year T+5. (b) Find number of year T at which you break even. Hint: 1+ a + a + a + for a 1. + an N = 1-aN+1 1-a