Redtail Hawk Company is evaluating two possible investments in depreciable plant assets. The company uses the straight – line method of depreciation. The following information is available: Initial capital investment Estimated useful life Estimated residual value Estimated annual net cash inflow Required rate of return Investment A $39,000 7 years $10,000 $6,000 13% Investment B $160,000 7 years $19,000 $20,000 11% How long is the payback period for Investment A? O A. 0.6 years B. 6.5 years C. 8 years OD. 3.9 years