Problem 8-49 Cost Estimation; High-Low Method; Regression Analysis [LO 8-3] [The following information applies to the questions displayed below] Lexon Inc. is a large manufacturer of affordable DVD players. Management recently became aware of rising expenses resulting from returns of malfunctioning products. As a starting point for further analysis, Paige Jennings, the controller, wants to test different forecasting methods and then use the best one to forecast quarterly expenses for 2019 . The relevant quarterly data for the previous three years follow: The result of a simple regression analysis using all 12 data points yielded an intercept of $12,512,12 and a coefficient for the independent variable of $156.47. (R-squared =0.25,SE=$1,034.95.) Part 1 Required: 1. Plot the data in the order of the dates. (To earn full credit for this graph you must plot all required points for each curve. While plotting the points a tool icon will pop up. You can use this to enter exact co-ordinates for your points as needed.) Required: 1. Plot the data in the order of the dates. (To earn full credit for this graph you must plot all required points for each curve. While plotting the points a tool icon will pop up. You can use this to enter exact co-ordinates for your points as needed.)