help please!!

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A firm expects to sell 25,500 units of its product at $11.50 per unit and to incur variable costs per unit of $6.50. Total fixed costs are $75,000. The firm's net income is: Multiple Choice $52,500. $75,000. $127,500. $165,750. Helpful Hardware sells windows (80\% of sales) and doors (20\% of sales). The selling price of each window is $580 and of each door is $1,180. The variable cost of each window is $385 and of each door is $880. Fixed costs are $1,737720. The number of units of each product that will be sold at the break-even point is: Multiple Choice Windows, 0 units; Doors, 8,045 units. Windows, 8,045 units; Doors, 0 units. Windows, 8,045 units; Doors, 8,045 units. Windows 1,609 units; Doors, 6,436 units. Windows, 6,436 units; Doors, 1,609 units