Helpful Hardware sells windows (80% of sales) and doors (20% of sales). The selling price of each window is $780 and of each door is $1380. The variable cost of each window is $535 and of each door is $1,080. Fixed costs are $2,072,320. The number of units of each product that will be sold at the break-even point is Multiple Choice Windows, O units: Doors, 8.095 units Windows, 8.095 units: Doors, units. Windows 8,095 units Doors,8,095 units Windows 1619 units, Doors, 6.476 units Windows 6,476 units: Doors, 1619 units