Required information Exercise 5A-2 (Algo) 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 its 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 2,500 $ 11,900 February 2,500 $ 13,600 March 2,800 $ 12,700 April 3,100 $ 15,600 May 3,700 $ 17,100 June 5,200 $ 25,100 July 5,600 $ 23,100 August 5,700 $ 24,400 September 4,800 $ 23,700 October 4,500 $ 23,800 November 2,300 $ 11,600 December 3,100 $ 17,400 Exercise 5A-2 Part 1 (Algo) Required: 1. Prepare a scattergraph plot. (Place car wash costs on the vertical axis and rental returns on the horizontal axis.)