Armer Company is accumulating data to use in preparing its annual profit plan for the coming year. The cost behavior pattern of the maintenance costs must be determined. The accounting staff has suggested the use of linear regression 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 follow Maintenance Machine S 4,900 3, 700 4,300 3, 520 5, 050 3, 660 3,730 5,170 4,960 4, 750 4,000 3, 860 $51, 600 760 600 680 580 780 590 600 860 770 750 630 620 8,220 Jan. Feb. Mar- Apr. May June July Aug- Sept. Oct. Nov. Dec. Sum Average S 4.300 S685 Sum Average Average cost per hour a (intercept) b (coefficient) Standard error of the estimate R-squared t-value for b $51, 600 4,300 8,220 685 $6.00 $158.4112 6.5086 114.5939 0.9695 17.8257 If Armer Company uses the high-low method of analysis, the equation for the relationship between hours of activity and maintenance cost follows: (Round your answers to 1 decimal place.) y-98+6x y 96+5.9x y 685+6.0x y 4,300+685x None of these answer choices are correct