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 Hours 610 320 610 330 620 480 510 660 610 670 560 340 6,320 526.67 Month Cost Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec Sum $5,070 3,651 4,250 3,322 5,211 3,360 3,753 5,351 5,110 4,855 3,959 3,960 $ 51,852 Average $4,321.00