signments 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 c 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: osts must be determined. The accounting staff has Hours of Maintenance Maintenance Service 560 480 280 500 340 480 360 410 480 350 350 340 4,930 Costs Month January February March April May June July Augus September October November $ 4,994 4,200 2,810 4,270 2,960 4,140 3,000 3,520 3,970 3,230 3,260 Total Average $43,434 3,620* 411 Rounded 3. Compute the predicted maintenance cost at 660 hours of activity