Please give me the solution process and answer to each of the questions a,b,c,d.

(W) Eastern Company 's Income Statement with no transfers between divisions are as follows. (Division A_Supplying Division, Division B_Demanding Division, Company as a whole) Instructions) (a) Assume that Division B currently purchased intermediate products from outside suppliers at 20 per unit. If Division A operate at the full capacity, What is optimal transfer price? (b) Assume that Division B currently purchased intermediate products from outside suppliers at 20 per unit. and Division A operate under the full capacity. If Division B needs 20,000 units and transfer price is set at $15, calculate the income from operations of division A, B and company as a whole. (c) Assume that Division B currently purchased from outside suppliers at 20 per unit. and Division A operate under the full capacity. If Division B needs 20,000 units and transfer price is set at $20, calculate the income from operations of division A, B and company as a whole. (d) Explain the range of the negotiated transfer price between division A and B for maximizing income of company as a whole