Werner Brothers, Inc., used the high-low method to derive its cost formula for electrical power cost. According to the cost formula, the variable cost per unit of activity is $2 per machine-hour. Total electrical power cost at the high level of activity was $9,400 and at the low level of activity was $9,000. If the high level of activity was 2,200 machine hours, then the low level of activity was:
A)1,800 machine hours
B)1,900 machine hours
C)2,000 machine hours
D)1,700 machine hours

Question

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The Answer of Werner Brothers, Inc., used the high-low method to derive its cost formula for electrical power cost. According to the cost formula, the variable cost per unit of activity is $2 per machine-hour. Total electrical power cost at the high level of activity was $9,400 and at the low level of activity was $9,000. If the high level of activity was 2,200 machine hours, then the low level of activity was:
A)1,800 machine hours
B)1,900 machine hours
C)2,000 machine hours
D)1,700 machine hours