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Company Xused regression analysis to predict the annual cost of utilities. The cost driver was the number of direct labor hours. The results were as follows: Constant was 492, Standard error of Yestimate was 59, R-Squared was 0.91, X Coefficient was 0.71, and Standard error of coefficient was 0.65. Based on the least squares regression output, the linear cost function is: (Where Y-Total utilities cost and X = Number of direct labor hours). O a. Y = $59 + $0.71X Ob. Y = $492 + $0.65% O Y = $492+ $0.71X Od Y-$492 + $0.91X Oe. None of the given answers