17. Payback Period Calculation. Heston Farming Company would like to purchase a harvesting machine for maintenance costs will total $28,000. Annual savings are predicted to be $60,000 (this is the same data as the previous exercise). Determine the payback period for this investment using the format shown in Table 3 4 35 36 37. ST 38 years. Unrecovered Investment Balance 40 41 42 Cash Inflow Payback Period Calculation Based on the chart below, the payback period is: Investment (Cash Outflow) Year o Year 1 Year 2 Year 3 Year 4 43 44 45 46 47 49 50