please help with these questions

7. What is the net marketing contribution for a product line that gencrates $20 million in sales revenues with cost of goods sold equal 1o 512 million, marketing and sales expenses equal to $2 million, and other operating expenses equal to $2 million? Overton Enterpnses sells widgets to a marketplace where total demand is 12 million. Overton's market share is 12% percent, the 8. selling price per widget is $40 and the variable costs per widget are $25. Overton spends $7 million on marketing expenses. What is Overton Enterprises' net marketing contribution? 9. Overton Enterprises sells widgets to a marketplace where total demand is 12 million. Overton's market share is 12% percent, the selling price per widget is $40 and the variable costs per widget are $25. Overton spends $7 million on marketing expenses and has $2 million in other operating expenses. What is Overton Enterprises' profit (before tax)? 10. Overton Enterprises sells widgets into a marketplace where total demand is 12 million. Overton's market share is 12 14 percent, the selling price per widget is $40 and the variable costs per widget are $25. Overton spends S7 million on marketing expenses If Overton lowered its price by 10%, causing a boost in mar ket share to 15%, what would the net marketing contribution be? 11. What is the marketing return on sales (Marketing ROS) for a product line that generates $20 million in sales revenues with cost of goods sold equal to $12 million, marketing and sales expenses equal to $2 million, and other operating expenses equal to $2 million? eting return on investment (Marketing ROD for a product line that generates $800 million in sale ld equal to $350 million, marketing and sales expenses equal to $150 million and other operating expenses equal to $100 million