High-Low, Break-Even Lancer Media produces a high-end DVD player that sells for $1,300. Total operating expenses for the past 12 months are as follows: Units produced and sold Cost August 130 $116,990 September 150 130,650 October 155 133,790 November 165 140,345 December 170 143,910 January 145 127,670 February 150 129,865 March 140 122,720 April 135 120,255 May 140 123,520 June 150 130,950 July 145 127,385 Required a. Use the high-low method to estimate fixed and variable costs. b. Based on these estimates, calculate the break-even level of sales in units. (Round to the nearest whole unit.) c. Calculate the margin of safety for the coming August assuming estimated sales of 165 units. d. Estimate total profit assuming production and sales of 165 units. e. Comment on the limitations of the high-low method in estimating costs for Lancer Audio