please direct me on how to solve this

Cardinal Company produces three products with the following characteristics. Selling price per unit Variable cost per unit Planned total unit sales Product A $40 $30 600,000 Product B $60 $40 200,000 Product C $75 $55 100,000 Total fixed costs at Cardinal Company are $9,000,000. If Cardinal Company wants to maintain the sales mix shown in the above exhibit and achieve a target profit of $2,000,000 the required unit sales of Product A will be: rights reserved. amrare& Clark a. 550,000 units b. 600,000 units C. 825,000 units d. 945,600 units