Question 13 View Policies Current Attempt in Progress Portman Company's activity for the first three months of 2016 are as follows: 3100 Machine Hours Electrical Cost January $5800 February 3600 $6800 March 3900 $7400 och Using the high-low method, how much is the cost per machine hour? $1.46 $1.88 $2.39 $2.00