Olive Branch is considering the purchase of a new machine. Two different machines will suit her purpose. The cash flows are given: Machine Binko Cost $180 000 Estimated cash flows Machine Argo Cost $210000 Estimated cash flows $ 70 000 80 000 Year 1 70000 70000 Year 2 Year 3 80 000 90 000 90 000 Year 4 80 000 Required Calculate the payback period for each of the two machines