Question 5 (10 points) Data concerning Nelson Company's activity for the first six months of the year appear below Machine Hours 4,000 6,000 January February March April May June 4,800 3,800 3,600 Electrical Cost $3,120 $4,460 $3,500 $3,040 $2,900 $2,200 4,200 Using the high-low method of analysis, find the following: a. The variable electrical cost per machine hour? b. The total fixed cost