Question 14 4.7 pts Pattap 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 $14,800 and at the low level of activity was $14,000. If the high level of activity was 2,400 machine hours, then the low level of activity was: o 2.200 machine hours O 2,000 machine hours O 2.400 machine hours O 1.600 machine hours O 1.800 machine hours