that scils 1 AEOUIRED a. Use the high-lone method to etimate fixed and variable costs. b. Based on these estimates, calealate the break-even level of sales in units. (Round to the seares c. Calculate the margin of safety for the coming August assuming estimated sales of 175 units. whole unit.) d. Estimate total profit assuming production and sales of 175 units. e. Comment on the liminations of the high-low method in estimating costs for Lancer Audia PAOBLEM 4-4. Regression Analysis (see Appendix) [LO 1 and Appendix] Lancer Audio prodoces a high-end DVD player that iclls for 51,300. Total operating expenses for the past 12 manthi are ai follows: AEQUIAED a. Une rogresion analyis to entimite fixed and variable costs. Round to two decimal places. b. Conpare your estimate to thove obtained using account analysis (Problem 4-2) and the high low method (Problem 4-3). Which method provides the best estimates of fixed and variable conts. (Dound all anwen to the nearat dollisf)