The controller of Carla Vista Industries has collected the following monthly cost data for analyzing the behaviour of electricity costs. \begin{tabular}{lcc} & \multicolumn{1}{c}{ Total } & \multicolumn{1}{c}{ Total } \\ & Electricity Costs & Machine Hours \end{tabular} Calculate the unit variable costs and fixed costs using regression analysis for this mixed cost. Present your solution in the form of a cost formula. (Round answers to 2 decimal places, e.g. 2.45.) Intercept Slope