Differential Analysis for a Lease or Sell Decision the lease, Granite Construction Company's costs of repairs, insurance, and property tax expenses are expected to be $26,300. a. Prepare a differential analysis, dated November 7 to determine whether Granite should lease (Alternative 1) or sell (Alternative 2) the machinery. Differential Analysis Lease Machinery (Alt. 1) or Sell Machinery (Alt. 2) November 7 b. On the basis of the data presented, would it be advisable to lease or sell the machinery