Bargain Rental Car offers rental cars in an off-airport location near a major tourist destination in California. Management would like to better understand the variable and fixed portions of it car washing costs. The company operates its own car wash facility in which each rental car that is returned is thoroughly cleaned before being released for rental to another customer. Management believes that the variable portion of its car washing costs relates to the number of rental returns. Accordingly, the following data have been compiled:

Month	Rental Returns		Car Wash Costs
January	2,400		$	10,500
February	2,500		$	12,900
March	2,700		$	11,300
April	2,900		$	13,500
May	3,600		$	15,700
June	4,900		$	22,300
July	5,500		$	21,700
August	5,400		$	20,900
September	4,700		$	22,300
October	3,800		$	19,600
November	2,100		$	10,200
December	2,600		$	12,500

2. Using least-squares regression, estimate the variable cost per rental return and the monthly fixed cost incurred to wash cars. (Round Fixed cost to the nearest whole dollar amount and the Variable cost per unit to 2 decimal places.)

unit to 2 decimal places.)