! Required information [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 January Rental Returns Car Wash Costs 2,500 $ 11,600 February 2,500 $ 13,400 March 2,800 $ 12,400 April 3,100 $ 15,200 May 3,700 $ 16,800 June 5,200 $ 24,500 July 5,600 $ 22,800 August 5,600 $ 23,700 September 4,800 $ 23,400 October 4,200 $ 22,900 November 2,300 $ 11,300 December 3,000 $ 16,300 Required: 1. Prepare a scattergraph plot. (Place car wash costs on the vertical axis and rental returns on the horizontal axis.)