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Using formulas, compute the following. Input all numbers as positive amounts. Indicate whether the variances are FnII Write if ctatomontc far Standard Cost Variance Analysis - Variable Manufacturing Overhead Using formulas, compute the amount of the unit cost difference that is traceable to each of the variances computed above. Materials: \begin{tabular}{llll} Quantity variance & $1.65 & U \\ Price variance & $0.15F \\ \hline Labor: & & & $1.50U \\ \hline Efficiency variance & $1.80F & \\ Rate variance & $2.00U & \\ Variable overhead: & & & \\ Efficiency variance & $0.70F & \\ Rate variance & $0.05U & 0.20U \\ & & & \end{tabular} Excess of actual over standard cost per unit $1.05U