Answer and Explanation:
The preparation of the Incremental cost analysis is presented below:
Particulars Product A Purchase
Sales $13.50 $11.90
less: cost
Avoidable cost $5
Unavoidable cost $5 $5
Purchase cost $5
Net income $3.50 $1.90
Since the net income is higher in the manfufacture so the company should continue with manfuacture the product A