Answer and Explanation:
The preparation of the differential analysis is presented below:
Particulars Lease Machinery Sell Machinery Differential Effect on Income
Revenues $284,900 $275,700 $9,200
Costs $24,600 $13,785 $10,815
Income (Loss) $260,300 $261,915 -$1,615
It is better to sell the machinery as it has a loss of $1,615