Portman Company's activity for the first three months of 2019 are as follows: January February March Machine Hours O $2.59 $2.00 $2.02 O $3.63 1600 2100 2300 Electrical Cost $4400 $5200 $5800 Using the high-low method, how much is the cost per machine hour?

Portman Company's activity for the first three months of 2019 are as follows: Using the high-low method, how much is the cost per machine hour? $2.59 $2.00 $2.02 $3.63