Current Attempt in Progress The following data pertain to activity and electricity costs for two recent years: Year 1 Year 2 Activity Levels in Units 12,000 8,000 Electricity costs $15,000 $12,000 Using the high-low method, what is the variable cost per unit for electricity? $0.75 per unit $1.33 per unit $1.50 per unit $1.35 per unit