5.) Determine which of two investment projects a manager should choose if the discount rate of the firm is 10%. The first project promises a profit of $100,000 in each of the next four years, while the second project promises a profit of $75,000 in each of the next six years.

6.) Determine which of the two investment projects of Problem 5 (above) the manager should choose if the discount rate of the firm is 20%. Please show details