Decision on Transfer Pricing Materials used by the Instrument Division of Ziegler Inc. are currently purchased from outside suppliers at a cost of $448 per unit. However, the same materials are available from the Components Division. The Components Division has unused capacity and can produce the materials needed by the Instrument Division at a variable cost of $372 per unit. Assume that a transfer price of $426 has been established and that 43,300 units of materials are transferred, with no reduction in the Components Division's current sales. a. How much would Ziegler Inc.'s total operating income increase? $ b. How much would the Instrument Division's operating income increase? $ c. How much would the Components Division's operating income increase? $ d. Any transfer price will cause the total income of the company to increase as long as the supplier division capacity is toward making materials for products that are ultimately sold to the outside.