Materials used by the Instrument Division of Ziegler Inc. are currently purchased from outside suppliers at a cost of $$374$ per unit. However, the same materials dre available from the Components Division. The Components Division has unused capacity and can produce the materials needed by the Instrument Division at a variable cost of $$310$ per unit.

Assume that a transfer price of $$355$ has been established and that $27,300$ units of materials are transferred, with no reduction in the Components Division's current sales.

a$.$ How much would Ziegler Inc.$\text{'}$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 $??,$ as long as the supplier division capacity is $$ toward making materials for products that are ultimately sold to the outside.