(A) Compute the Contribution Margin, Operating Income, and Ending Inventory

(a) Compute the contribution margin, operating income, and ending inventory for Bedell Metal Company
(b) Assume that sales of part D-1340 increases by 30 units to 110 units during the given period (production remains constant). Re-compute the above figures.
(c) Mary Keenan, the controller of Bedell Metal Company., is considering the use of absorption costing instead of variable costing to be in line with financial reporting requirements. She knows that the use of a different costing method will give rise to different incentives. Explain to her how alternative methods of calculating product costs create different incentives.
Additional information:
● Sales revenue: $20,000,000
● Beginning inventory: $1,150,000
● Sales of part D-1340: 80 units
● Sales of all other parts are the same as the number of units produced.
● Sales price of part D-1340: $35,500 per unit
● The only spending increase was for material cost due to increased production. All other spending as shown above was unchanged.
Bedell Metal Company uses the variable costing method.
Required
Consider the following cost and production information for Bedell Metal Company, Inc.