BM Company sells two products, X and Y. Product X sells for $20 per unit with variable costs of $11 per unit. Product Y sells for $30 per unit with variable costs of $16 per unit. During this period, BM sold 16,000 units of X and 4,000 units of Y, making Total Revenue of $440,000, and after subtracting variable cost got Total Contribution Margin of $200,000, and after subtracting Total Fixed Cost of $110,000, earned Operating Profit of $90,000. The weighted-average unit contribution margin is: (rounded)

Select one:

a. $10.25 rounded

b. $10.00 rounded

c. $9.00 rounded

d. All listed choices are incorrect.