Midgett Co. has accumulated data to use in preparing its annual profit plan for the upcoming year. The cost behavior pattern of the maintenance costs must be determined The accounting staff suggested that linear regression be employed to derive an equation for maintenance hours and costs. Data regarding the maintenance hours and costs for the last year and the results of the regression analysis are as follows Maintenance Machine Month Cost Jan Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec Sum $5,050 3,649 4,260 3,326 5,212 3,650 3,633 5,351 5,107 4,854 3,949 3,970 $ 52,011 Average $4,334.25 Hours 720 430 580 420 730 350 350 600 630 690 420 350 6,270 522.50