Bella sells vacuums and shampooers. The vacuums each sell for $60 with variable costs of $20, and the shampooers each sell for $100 with variable costs of $60. The fixed costs for the store are $80,000. The shampooers make up 1,200 of the units sold, while the vacuums make up the other 2,800 of the units sold. What is Bellas break-even point in units?

1,400 units

4,000 units

2,000 units

600 units