Answer:
The answer is: Duncan's materials costs per unit was $1.50 ($6.10 - $4.60) less than Davis's materials costs per unit.
Explanation:
We must first calculate the materials costs for both companies:
Now we calculate the materials costs per unit produced:
So Duncan's materials costs per unit was $1.50 ($6.10 - $4.60) less than Davis's materials costs per unit.
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