I need help with sales for total company

Division A manutoctures electronic circult boards. The boards can be sold elther to Division B of the same company or to outside customers. Last year, the following activity occurred in Division A: Sales to Division B were at the same price as sales to outside customers. The circult boards purchased by Division B were used in an electronic instrument manufactured by that division (one board per instrument). Division B incurted $270 in additional variable cost per instrument and then sold the instruments for $640 each. Required: 1. Calculate the net operating incomes earned by Division A, Division B, and the company as a whole. 2. Assume Division A's manufacturing capscity is 21,300 circult boards. Next year, Division B wants to purchase 7,700 circuit boards from Division A rather than 6,700 . (Circuit boards of this type are not avalloble from outside sources) From the standpoint of the company as a whole, should Division A sell the 1,000 additional circuit boards to Division B or continue to sell them to outside customers? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Calculate the net operating incomes earned by Division A, Division 8, and the company as a whole