Paxton Company can produce a component of its product that incurs the following costs per unit: direct materials, $9.90; direct labor, $13.90, variable overhead $2.90 and fixed overhead, $7.90. An outside supplier has offered to sell the product to Paxton for $34.60. Compute the net incremental cost or savings of buying the component.

A. 2.90

B. 7.90

C. 0.00

D. 7.90

E. 2.90