explain is grave detail how to solve this problem.

Paxton Company can produce a component of its product that incurs the following costs per unit: direct materials, $910; direct labor, $13.10, and incremental overhead $2.10. An outside supplier has offered to sell the product to Paxton for $31.40. Compute the net incremental cost or savings of buying the component. Multiple Choice $210 cost per unit $710 savings per unit $0 cost or savings per unit $710 cost per unit