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 patter 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: Hours of Maintenance Service 550 470 280 480 338 470 Month January February March April May June July August September October November December Total Average 360 Maintenance Costs $ 4,944 4,210 2,730 4,320 2,978 4,120 3,060 3,510 3,980 3,240 3,170 3,678 $43, 324 $ 3,618 420 460 380 388 378 4,950 413 "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 Xto 2 decimal places and other answer to the nearest whole dollar amount.) Monthly maintenance cost =