Answer:
$5.25 per unit
Step-by-step explanation:
The reason is that the direct cost are those costs that can be calculated very easily and are directly attributable to a single unit. In this case, we are finding direct material cost which would include all the material costs that are used to make a single unit which includes delivery of material $0.25 and material purchase cost of $5 per square foot. So the total direct material cost is $5.25.