Required information [The following information applies to the questions displayed below.] Nation's Capital Fitness, Inc., operates a chain of fitness centers in the Washington, D.C., area. The firm's controller is accumulating data to be used in preparing its annual profit plan for the coming year. The cost behavior pattern of the firm's equipment maintenance costs must be determined. The accounting staff has suggested the use of the high-low method to develop an equation, in the form of Y= a + bx, for maintenance costs. Data regarding the maintenance hours and costs for last year are as follows: Month Hours of Maintenance Service January February March 560 Maintenance Costs $ 5,352 470 4,190 270 2,800 April May June 480 4,300 320 3,050 450 4,170 July 350 3,050 August 450 3,580 September 450 3,950 October 360 3,250 November 380 3,200 December 350 3,040 Total 4,890 $43,932 Average 408* $ 3,661* *Rounded Required: 1. Using the high-low method of cost estimation, estimate the behavior of the maintenance costs incurred by Nation's Capital Fitness, Inc. Express the cost behavior pattern in equation form. (Round coefficient of X to 2 decimal places and other answer to the nearest whole dollar amount.) Monthly maintenance cost =