Exercise 22-03 a1-a2 (Part Level Submission) The controller of Carla Vista Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Maintenance Costs Month anuary February March April May June $2,630 2,930 3,530 4,430 3,130 5,230 Total Machine Hours 350 400 550 640 550 750 (a1) Determine the variable cost components using the high-low method. (Round answer to 2 decimal places e.g. 2.25) Variable cost per machine hour Exercise 22-17 a-d (Part Level Submission) Wildhorse Bucket Co., a manufacturer of rain barrels, had the following data for 2019. Sales Sales price Variable costs Fixed costs 2,420 units $35 per unit $21 per unit $16,940 What is the contribution margin ratio? Contribution margin ratio Exercise 22-13 a-d (Part Level Submission) Oriole Company has the following information available for September 2020. Unit selling price of video game consoles Unit variable costs Total fixed costs Units sold $420 $252 $63,840 60000 Compute the unit contribution margin. Unit contribution margin