Sombrero Inc sells high end, storage units at a sales price of $4,000 per unit. Variable expenses are $2,000 per unit and fixed costs are $100,000. How many doors mustSombrero Inc sells high end, storage units at a sales price of $4,000 per unit. Variable expenses are $2,000 per unit and fixed costs are $100,000. How many doors must they sell to make a profit of $50,000? they sell to make a profit of $50,000?