Mandell, Inc. is evaluating three 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 Investment A $285,000 Investment B $210,000 8 years 7 years Investment C $315,000 10 years Estimated residual value $15,000 $20,000 $30,000 Estimated annual net cash flow for each year $52,000 $30,000 $67,000 Required rate of return Rank the projects as to order of preference if based on the best payback period. 12% 12% 12% OA. C, A, B OB. B, C,A OC. A, B, C OD. C. B. A