Bottleneck Profit Product K has a unit contribution margin of $120. Product L has a unit contribution margin of $100. Product K requires five furnace hours, while Product L requires four furnace hours. Determine the unit contribution margin per production bottleneck hour for each product, assuming the furnace is a bottleneck constraint. Product K Il Product L Differential Analysis for a Lease or Sell Decision Burlington Construction Company is considering selling excess machinery with a book value of $281,700 (original cost of $401,300 less accumulated depreciation of $119,600) for $275,800, less a 5% brokerage commission. Alternatively, the machinery can be leased for a total of $287,400 for five years, after which it is expected to have no residual value. During the period of the lease, Burlington Construction Company's costs of repairs, insurance, and property tax expenses are expected to be $25,800. a. Prepare a differential analysis dated January 15 to determine whether Burlington Construction Company should lease (Alternative 1) or sell (Alternative 2) the machinery. If required, use a minus sign to indicate a loss. Differential Analysis Lease (Alt. 1) or Sell (Alt. 2) Machinery January 15 Lease Sell Differential Machinery Machinery Effects (Alternative 1) (Alternative 2) (Alternative 2) Revenues Lun Costs Profit (Loss)