Walton Company has an opportunity to purchase a forklift to use in its heavy equipment rental business. The forklift would be leased on an annual basis during its first two years of operation. Thereafter, it would be leased to the general public on demand. Walton would sell it at the end of the fifth year of its useful life. The expected cash inflows and outflows follow. Cash Inflow Cash Outflow $96, 200 $39,000 39,000 28,000 2018 2018 2019 2020 2020 2021 2022 2022 Purchase price Revenue Revenue Revenue Major overhaul Revenue Revenue Salvage value 9,800 25,000 23,000 8,600 Required a.&b. Determine the payback period using the accumulated and average cash flows approaches. (Round your answers to 1 decimal place.) years a. Payback period (accumulated cash flows) b. Payback period (average cash flows) years