1). (8') Stevens Co. accumulates the following data concerning a mixed cost, using units produced as the activity level. Using the high-low method to estimate the total cost if the company produces 8,000 units. March April May June July Units produced Total cost 14,740 13,250 12,000 12,000 12,460 9,800 8,500 7,000 7,600 8,100 2). (6) Stevens Co. produces and sells a cell phone-operated thermostat. Information regarding the costs and sales of thermostats during September 2022 are provided below. What is the unit contribution margin? Unit selling price of thermostat Unit variable costs Total monthly fixed costs Units sold Total sales 885 $32 $190,000 4,000 $340,000 3). (6) Following 2)., what is the break-even point? Expressed either in sales units or in sales