Cobe Company has already manufactured 28,000 units of Product A at a cost of $28 per unit. The 28,000 units can be sold at this stage for $700,000. Alternatively, the units can be further processed at a $420,000 total additional cost and be converted into 5,600 units of Product B and 11,200 units of Product C. Per unit selling price for Product B is $105 and for Product C is $70.
Required:
Prepare an analysis that shows whether the 28,000 units of Product A should be processed further or not.

Increase in net income from further processing  $ 252,000.

Explanation:

A company should process further a product if the additional revenue from the split-off point is greater than than the further processing cost.  

Additional sales revenue = Sales revenue after further processing - sales revenue after split-off point

Note that the cost already incurred up to split-off point is  a sunk cost which is irrelevant for the further processing  decision.

                                                                                                  $  

Sales revenue after split off point

(11,200× 70) + (5,600× 105) =                                             1,372,000

Sales revenue at the split off point                                   ( 700,000)

Additional sales revenue                                                    672,000.

Less further processing cost                                            (420,000)

Increase in net income from further processing              252,000.

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