Chapter 11 – Service Department and Joint Cost Allocation
11-35
11-49. (continued)
Costs allocated from the electric department S2 + S3 = $108 + $333 = $441.
If electricity generation causes the costs allocated to it, then the company would
compare $441,000 internal cost to $480,000 from the outside utility.
Forgone steam sales …………………………………..
Equipment maintenance ……………………….….
Direct costs ………………………………………………..
which is greater than the proposed $480,000 electric company rates. Of course,
management might want to consider other factors when making this decision.
aThe $174,000 from the sale of steam is an opportunity cost. If Steamco produces its
own electricity, it loses $174,000 in potential sales of steam.
b $27,000 = $18,000 + $9,000 allocated from equipment maintenance.