Hello Expert, kindly assist me with this Managerial Accounting question. I had posted this question earlier but the answers I received was partiallyot correct. Many thanks.

Lancer Audio produces a high-end AV receiver that sells for $1,300. Total operating expenses for the past 12 months are as follows: Use the high-low method to estimate fixed and variable costs. Based on these estimates, calculate the break-even level of sales in units. (Round answer to whole units, eg. 15. Use contribution margin per unit to calculate the answer.) Calculate the margin of safety for the coming August assuming estimated sales of 175 units. Margin of safety $ Estimate total profit assuming production and sales of 175 units. (Use contribution margin per unit to calculate the answer.) Total profit $