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Rooter\'s Cleaning Services provided data concerning the costs incurred to clean

ID: 2757564 • Letter: R

Question

Rooter's Cleaning Services provided data concerning the costs incurred to clean hotel rooms for which hotel customers pay $150 per night. Data for the past 7 months are as follows:

January

February

March

April

May

June

July

Number of rooms cleaned

250

160

200

150

300

170

260

Cleaning cost

$6,450

$4,060

$5,100

$4,100

$6,880

$4,200

$6,530

How much are estimated monthly variable costs using the high-low method?

January

February

March

April

May

June

July

Number of rooms cleaned

250

160

200

150

300

170

260

Cleaning cost

$6,450

$4,060

$5,100

$4,100

$6,880

$4,200

$6,530

Explanation / Answer

Variable cost per unit:

= (Highest total costs-Lowest total costs)÷Difference between activity

= ($6,880-$4,060)÷(300-160)

= $20.14 per room cleaned

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