Nations Capital Fitness, Inc., operates a chain of fitness centers in the Washington, D.C., area. The firms controller is accumulating data to be used in preparing its annual profit plan for the coming year. The cost behavior pattern of the firms 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					Maintenance Costs
January			560				$	5,427
February			450					4,230
March			270					2,730
April			470					4,310
May			320					3,030
June			440					4,170
July			360					3,100
August			420					3,590
September			460					3,980
October			350					3,230
November			360					3,220
December			330					3,040
Total			4,790				$	44,057
Average			399	*			$	3,671	*

*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 =