Please answer it correctly, please show work and show how it shoud be entered? thanks.

Truball Incorporated which manufactures sports equipment, consists of several operating divisions. Division A has decided to go outside the company to buy materials because division B plans to increase its selling price for the same materials to $200. Information for division A and division B follows: Required: 1. Assume that division B cannot sell its materials to outside buyers. Calculate the net cost or benefit to the company as a whole if Division A purchases the materials outside the company. 2-a. Assume that division B can save $185,000 in fixed costs if it does not manufacture the material for Division A. Calculate the net cost or benefit to the company as a whole for A to purchase outside the company. 2-b. From the standpoint of the effect of the transaction on the company as a whole, should Division A purchase from the outside market? 3-a. Assume the situation in Requirement 1. If the outside market value for the materials drops $27, calculate the net cost or benefit to the company as a whole for A to purchase outside the company. 3-b. From the standpoint of the effect of the transaction on the company as a whole, should Division A purchase from the outside market