The facilities of an existing chemical company must be increased if the company is to continue in operation. There are two alternatives. One of the alternatives is to expand the present plant. The expansion would cost $130,000. Additional labor costs would be $150,000 per year, while additional costs for overhead, depreciation, property taxes, and insurance would be $60,000 per year. The second alternative requires construction and operation of new facilities at a location about 50 mi from the present plant. This alternative is attractive because cheaper labor is available at this location. The new facilities would cost $200,000. Labor costs would be $120,000 per year. Overhead costs would be $70,000 per year. Annual insurance and property taxes would amount to 2 percent of the initial cost. All other costs except depreciation would be the same at each location. If the minimum acceptable return on any unnecessary investment is 9 percent per year after an income tax of 35 percent, determine the minimum recovery period for the facilities at the distant location for this alternative to meet the required incremental return. The salvage value should be assumed to be zero, and straight-line depreciation may be used.