Answer:
$2.80 per chair
$2.25 per table
Explanation:
If cost is assigned at a rate based on direct labor hours, the total disposal cost for chairs and tables is, respectively:

The respective disposal cost per unit is:

Help with what work? Our school work? If so comment on my question
Answer:
The optimal stocking level is 45 muffins.
Explanation:
First we have to calculate the Overage cost Co = Purchase price - Salvage value = $0.2 - 0 = $0.2
Then the Underage cost Cu = Selling price - Purchase price =$0.80 - $0.2 = $0.60
Service level = Cu / (Cu + Co) = $0.60/($0.60+$0.2) = $0.75
Hence, optimal stocking level = Minimum demand + Service level *(Maximum demand - Minimum demand)
optimal stocking level = 30 + 0.75*(50-30) = 45
The optimal stocking level is 45 muffins.
Optimal stocking level = 68.75 Muffins
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Answer:
I used an excel spreadsheet to calculate this:
the least squares regression line:
y = a + bx
y = $2,752 + 3.87x
where y = total cash wash costs and x = rental returns
fixed costs = $2,752 per month
variable cost = $3.87 per car washed