company A rents spaces for company B by the day. Company A charges $20 per day for a space. The variable cost is $10 per day. The fixed cost of A is $30,000 per year. A is subject to a tax rate of 17 percent on its income. If a "unit" is one space rented for one day, how many units does A have to rent annually to earn $50,000 after taxes? Select one: O a. 5,320 units O b. 6.240 units 9,025 units d. 7,491 units bage Next page 7:21 PM DENG