Ozark Metal Company makes a single product that sells for $45.5 per unit. Variable costs are $29.1 per unit, and fixed costs total $65,355 per month. Required: a. Calculate the number of units that must be sold each month for the firm to break even. b. Assume current sales are $414,000. Calculate the margin of safety and the margin of safety ratio. c. Calculate operating income if 5,300 units are sold in a month.

Help me solve the requirement below

Zhao Company has fixed costs of $455,600. Its single product sells for $191 per unit, and variable costs are $124 per unit. If the company expects sales of 10,000 units, compute its margin of safety (a) in dollars and (b) as a percent of expected sales. $ a. Margin of safety (in dollar) 611,200 b. Margin of safety (%)

Fountain Corp. has a selling price of $14 per unit and variable costs of $9.80 per unit. When 18,000 units are sold, profits equaled $24,900. What is the margin of safety?