When the payback period will occur for the following project according to the numbers in the following table if the interest rate is 10%? Year cash infloycash outflov 5000 5000 6000 8000 6000 1 2400 2 3000 3 5000 4 5000 Select one: O a. at the end of the third year O b. at the beginning of the fourth year O. at the end of the fourth year O d. at the beginning of the third year O e. at the end of the second year