The newly polished one as there will be less resistance and will travel faster across it
Answer:
Please find the complete question in the attachment.
Explanation:
the margin of contribution unit
Margin Contribution Unit 
8
Contribution losses 
Fixed cost avoidable 
The margin of Alpha contributions 
Fiscal benefits (disadvantage)
Hi there
The journal entry would be
debit to telephone expense for $300
Credit to cash for $300
Good luck!
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