Preston Industries, Inc. currently manufactures part QX100, which is used in several products produced by the company. Monthly production costs for 10,000 units of QX100 are as follows:

Direct materials$81,000

Direct labor$21,000

Variable overhead costs$51,000

Fixed overhead costs$38,000

Total manufacturing costs$191,000

Accounting has estimated that 20% of the fixed overhead costs currently assigned to QX100 would not be needed if the company chose to purchase the part from an outside supplier. Preston currently has the option of purchasing the part from an outside supplier at $16.00 per unit.

Based solely on a short-run financial analysis, the maximum price that Preston should be willing to pay the outside vendor for each unit of QX100 is: