Can you please explain the calculations for these?

Data concerning Follick Corporation's single product appear below: Selling price per unit $ 330.00 Variable expense per unit $ 75.90 Fixed expense per month $173,250 The break-even in monthly dollar sales is closest to: (Round your intermediate calculations to 2 decimal places.) Cubie Corporation has provided the following data concerning its only product: Selling price $ 81 per unit Current sales 10,900 units Breakeven sales 8,284 units [ What is the margin of safety in dollars? Serfass Corporation's contribution format income statement for July appears below: Sales $254,400 Variable expenses 127 , 200 Contribution margin 127,200 Fixed expenses 35,620 Net operating income $ 91,580 The degree of operating leverage is closest to: A cement manufacturer has supplied the following data: Tons of cement produced and sold 255,000 Sales revenue $1,096,500 Variable manufacturing expense $ 425,000 Fixed manufacturing expense $ 284,000 Variable selling and administrative expense $ 85,000 Fixed selling and administrative expense $ 224,000 Net operating income $ 78,500 What is the company's unit contribution margin? (Round your intermediate calculations to 2 decimal places.) Newham Corporation produces and sells two products. In the most recent month, Product R10L had sales of $43,000 and variable expenses of $11,980. Product X96N had sales of $56,000 and variable expenses of $14,750. The xed expenses of the entire company were $46,180. The break-even point for the entire company is closest to