Determine sales in units for desired profit if Fixed cost is $ 15,000, desired profit is $ 5,000 Selling price per unit is $ 20 and Variable cost per unit is $ 16.

a. $ 5,000

b. $ 10,000

c. 5,000 units

d. 10,000 units

Darth Company sells three products. Sales and contribution margin ratios for the three products follow: Product X (Sales $20,000 & CM ratio 45%), Product Y (Sales $40,000 & CM Ratio 40%) and Product Z (Sales $100,000 & CM Ratio 15%). Given these data, the contribution margin ratio for the company as a whole would be:

a. It is impossible to determine from the given data

b. 25%

c. 75%

d. 33.3%

Please please, I don't have enough time to help me