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Exercise 5A-2 Least-Squares Regression (LO5-11) [The following information applies to the questions displayed below.) 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 January February March April May June July August September October November December Rental Returns 2,500 2,500 2,800 3.100 3,700 5,200 5,600 5,700 4,800 4,500 2,300 3,100 Car Wash Costs $ 11,700 $ 13,500 $ 12,500 $ 15,300 $ 16,900 $ 24,700 $ 22,900 $ 23,900 $ 23,500 $ 23,200 $ 11,400 $ 16,700 May June July August September October November December 100 3,700 5,200 5,600 5,700 4,800 4,500 2,300 3,100 $ 16.900 $ 24,700 $ 22,900 $ 23,900 $ 23,500 $ 23,200 $ 11,400 $ 16,700 Exercise 5A-2 Part 2 Using least squares regression, estimate the variable cost per rental return and the monthly fixed cost incurred to wash cars. (R fixed cost to the nearest whole dollar amount and the Variable cost per unit to 2 decimal places.) Fixed cost per month Variable cost per rental returns 13.887.00 1.08