Rockford Company Manufactures a Part for Use in Its Production

Essay

Rockford Company manufactures a part for use in its production of hats.When 10,000 items are produced,the costs per unit are:

Angel Company has offered to sell to Rockford Company 10,000 units of the part for $6.00 per unit.The plant facilities could be used to manufacture another item at a savings of $9,000 if Rockford accepts the offer.In addition,$1.00 per unit of fixed manufacturing overhead on the original item would be eliminated.
Required:
a.What is the relevant per unit cost for the original part?
b.Which alternative is best for Rockford Company? By how much?