Question 9 Donald's Engine Company manufactures part TE456 used in several of its engine models. Monthly production costs for 1,000 units are as follows: Direct materials 20,000 Direct labor 5,000 Variable overhead costs 15,000 Fixed overhead costs 10,000 Total costs M It is estimated that 10% of the xed overhead costs assigned to TE456 will no longer be incurred if the company purchases TE456 from the outside supplier. Donald's Engine Company has the option of purchasing the part from an outside supplier at 42.50 per unit. The maximum price that Donald's Engine Company should be willing to pay the outside 3 supplier is