Your company manufactures swimming pools and has reached its manufacturing capacity with its current facilities at 5, 000 units per year . At this level , fixed costs total $3,000,000 per year variable costs are $2,100 per unit and units are sold at $ 3000 per unit . Assuming additional capacity can be rented for $500,000 fixed per year how many additional units must be sold to breakeven on this additional capacity assuming no other changes ?