Blair's Carwash has total costs of $10,000 per month for 1,000 car washes and $7,500 for 500 car washes. Based on the information above, which of the following is true? Fixed costs = Total costs / $5.00 $5,000 x Number of car washes = Total cost - $5,000 OOOC Fixed costs = Total costs + Variable costs Variable costs = Total costs + Fixed costs I don't know