Wheeler Company can produce a product that incurs the following costs per unit: direct materials, $11.00; direct labor, $25.00, and overhead, $17.00. An outside supplier has offered to sell the product to Wheeler for $48.55. If Wheeler buys from the supplier, it will still incur 45% of its overhead cost. Compute the net incremental cost or savings of buying. 0 $4.90 cost per unit. 0 $5.11 cost per unit. O $3.20 savings per unit. O $3.20 cost per unit. O $5.11 savings per unit