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 $45.50 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 $587, 500. 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. Required: a. Calculate the per unit and total relevant cost for buying and making the product? (Round your Per Unit answers to 2 decimal places.) b. How much will profits increase or decrease if the outside supplier's offer is accepted