Part VII High-Low Method Global Solutions considers their maintenance expense to have a fixed portion and a variable portion that changes in relation to their production. They have collected the following production data and expense costs for the past seven month. Using the information provided, use the high-low method to separate the fixed costs from the variable costs. Month March April May June July August September Production Quantity 52,000 58,000 60,000 64,600 54,000 59,000 61,000 Maintenance Cost $5,350 $5,140 $5,400 $5,980 $5,300 $5,560 $5,670 a) Calculate the fixed and variable portion of the maintenance expense using the high-low method