Thank you in advance.

short explanation, please.

Question 2 Whites Corp reported total sales of $600,000, at a price of $40 and per unit variable expenses of $23, for the sales of their single product. Total Per Unit Sales $600,000 $40 Variable Expenses $405,000 $27 Contribution Margin $195,000 $13 Fixed Expenses $165,000 Net Operating Income $30,000 What is the amount of contribution margin if sales volume increases by 30%? O A. $303,875 O B. $253,500 O C. $331,500 OD. $190,000