just need explanation please, have the answer

Kennish Company sold 1,970 units for $76 each. Variable costs were $18 per unit and total fixed expenses were $17,400. What is the kennish's contribution margin ratio? Answer as a percentage. Selected Answer: 38.73 Correct Answer: 761 At a level of 23,700 units sold, Lee Corp. has sales of $611,900, a contribution margin ratio of 48%, and a profit of $92,700. What is the break-even point in units ? Round your answer to nearest whole number. Selected Answer: 1 Correct Answer: 16,220 : 15 Dejounte Corp had a margin of safety of $142,006 last month, with sales revenue of $804,586 and fixed costs of $215,554. How much profit did Murray earn last month? Do not round the intermediate steps. 1 Selected Answer: Correct Answer: 46,198 1 0.5% Simmons Corp. has a selling price of $19, variable costs of $4 per unit, and fixed costs of $23,612. Contribution margin is $42,810. How many units did Simmons sell? Selected Answer: 1,574 Correct Answer: 2,854 1