Exercise 11-11 Make or Buy Decision [LO11-3] Han Products manufactures 25,000 units of part S-6 each year for use on its production line. At this level of activity, the cost per unit for part S-6 is: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Total cost per part $ 3.90 8.00 2.10 6.00 20.00 An outside supplier has offered to sell 25,000 units of part S-6 each year to Han Products for $18 per part. If Han Products accepts this offer, the facilities now being used to manufacture part S-6 could be rented to another company at an annual rental of $75,000. However, Han Products has determined that two-thirds of the fixed manufacturing overhead being applied to part S-6 would continue even if part S-6 were purchased from the outside supplier