I need help understand and figuring this problem out.

The budgets of four companies yield the following information: (Click the icon to view the budget information for the four companies.) Read the requirements. Requirement 1. Fill in the blanks for each missing value. (Round the contribution margin per unit to the nearest cent. Use a minus sign or parentheses to enter an operating loss.) Up Down Left Right i Data Table - X Net Sales Revenue $ 1,050,000 $ 300,000 Variable Costs 84,000 150,000 139,200 Fixed Costs 184,000 255,000 Company Operating Income (Loss) $ 82,500 78,800 Up Down Left Right Units Sold 175,000 14,000 Net Sales Revenue $ 1,050,000 $ (d) $ 300,000 $ (j) Contribution Margin per Unit $ 3.00 75.00 $ 16.00 Variable Costs (a) 84,000 150,000 139,200 Contribution Margin Ratio % 80 % % 40 % Fixed Costs (b) 184,000 255,000 (k) Requirements 2. and 3. Which company has the lowest breakeven point in sales dollars? What causes the low breakeven point? Operating Income (Loss) $ 82,500 $ (e) $ (g) $ 78,800 Begin by showing the formula and then entering the amounts to calculate the breakeven point in sales dollars for each company. (C Units Sold 175,000 14,000 (h) whole dollar. For example, $10.25 would be rounded to $11. Abbreviation used: CM = contribution margin.) Contribution Margin per Unit $ 3.00 $ (f) $ 75.00 $ 16.00 Required sales in dollars Contribution Margin Ratio (c) 80% (i) 40% Up Down 0/ Print Done Left o Right % Which company has the lowest breakeven point in sales dollars? What causes the low breakeven point? has the lowest breakeven point, primarily due to