The materials used by the Hibiscus Company's Division A are currently purchased from an outside supplier at $55 per unit. Division B is able to supply Division A with 20,000 units at a variable cost of $42 per unit. The two divisions have recently negotiated a transfer price of $48 per unit for the 20,000 units.

(a) By how much will each division's income increase as a result of this transfer?

(b) What is the total increase in income for Hibiscus Company?