Han Products manufactures 21,000 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: An outside supplier has offered to sell 21,000 units of part S-6 each year to Han Products for $47.50 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 $601,000. However, Han Products has determined that two-thirds of the fixed manufacturing overhead being applied to part S-6 would continue even if pill S-6 were purchased from the outside supplier. a. Calculate the per unit and total relevant cost tor buying and making the product? b. How much will profits increase or decrease if the outside supplier's offer is accepted