Question 19 (5 points) Project Alpha is expected to have the following cash flows: Year 0 1 2 3 4. Cash flow ($'000) (180) 100 90 70 20 What is the payback period? 1) 2 years 2) 1.91 years 3) 1.89 years 4) 1.67 years Question 20 (5 points) An investment requires an initial amount of $240,000 and has a 3-year life with no ending scrap value. The annual profits are: $40,000, $60,000, $80,000. Calculate the accounting rate of return. 1) 10% 2) 15% 3) 25% O4) 50%