A specialized automatic machine costs $330,000 and is expected to save $107, 478.92 per year while in operation. Using a 10% interest rate, what is the discounted payback period? Choose the correct answer below. A. The discounted payback period is 3 years. B. The discounted payback period is 5 years. C. The discounted payback period is 8 years. D. The discounted payback period is 9 years. E. The discounted payback period is 4 years