Fird company manufactures a part for its production cycle. the costs per unit for 10,000 units of this part are as follows:

Fird company manufactures a part for its production cycle. the costs per unit for 10,000 units of this part are as follows:$20$15$16$15$66The fixed factory overhead costs are unavoidable. Assuming no other use of their facilities, the highest price that Fird company should be willing to pay for the parts is________a. $41b. $35c. $45d. $51