Advo Company is purchasing carrying cases at a delivered cost of exist8 per unit. The company, currently operating below full capacity. T costs to produce carrying cases is expected to be: If Advo Company makes the carrying cases instead, fixed factory overhead costs of exist1.00 will not increase. The selling price of the carrying case will remain the same at exist10. In a decision matrix for differential analysis. Advo can ignore the selling price of exist10 and the fixed cost of exist1.00 the selling price of exist10 and the purchasing cost of exist8 the fixed cost of exist1.00 and the purchasing cost of exist8.00 the selling price of exist 10 and the variable cost of exist7.60