An estimate of costs at an activity level of 100 direct labor hours would be: c.$10,200.
Total cost = Total fixed cost + Total variable cost
Estimated cost =$5,700 + $45x
Let x represent direct labor hours
Hence:
Estimated cost=$5,700+$45(100)
Estimated cost=$5,700+$4,500
Estimated cost=$10,200
Inconclusion an estimate costs at an activity level of 100 direct labor hours would be: c.$10,200.
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