I was confident in my work but I was wrong please help me better understand

Brightstone Tire and Rubber Company has capacity to produce 213,000 tires, Brightstone presently produces and sells-160,000 tires for the forth to buy 25,000 tires for $77.6 per tire, Brightstone's accountina svstoen indicates that the total cost per tire is as follows: Brightstone pavs a seling commisslon equal to 5% of the selling price on North American orders, which is incladed in the variabie nertion af the anlling. and administrative expenses. Howovec, thin speciat order would not have a saies commision, if the order was acceoted, the tires would se vipoed overseas for an additional shipping cost of 55 per Cire. If addition, Furo has made the order conditional on receliving Fiaropean satity cartiliotion Birightstone estimates that this certification would cast 1125,000 enter 2ero " 0. If required, round interim calculations to two decimal places. For those boxes in which you muat eriter mbetracted oe maquative numbers use a minus sion. Dirterential Anahysis Reject Order (Alh. 1) or Accept Onder (AIt. 2) Jwary 21 RejectOrderAcceptOnderDifferentialEffects (Alternative 1) (Alternotive 2) (Alterative 2) Reventies Cocts: blred matertals Direct Labos variable factorr overtead Varkble saling and admin. erpenties Shiphing coth Certulication comes Frotit (bas). Chark tid work