Determine the missing amounts. (Round answers to 0 decimal places, e.g. 250.) Unit Selling Price Unit Variable Costs Unit Contribution Margin Contribution 4P Margin Ratio % (b) 1 $270 $230 (a) % (d) 2 $470 (c) $220 30 % 3. (f) $320 Dits Company has a unit seling price of $640, variable costs per unit of $460, and fixed costs of $235,000. Compute the break-even point in units using (a) the mathematical equation and (b) unit contribution margin. (Round answers to 0 decim places, e.g. 5,275.) (a) Break-even point units (b) Break-even point units