PLEASE ANSWER USING EXCEL FORMULAS

1. Compute the direct materials price and quantity varlances and explain their significance: 2. Compute the direct labor rate and efficiency variances and explain their significance. 3. Compute the variable manufacturing overhead rate and efficiency variances and explain their significance. \begin{tabular}{|l|l|l|l|l|l|} \hline & A \\ \hline 45 & B \\ \hline 46 & Variable overhead efficiency variance \\ \hline 47 & Variable overhead rate variance \\ \hline 48 & \\ \hline 49 & Using formulas, compute the amount of the unit cost difference \\ \hline 50 & that is traceable to each of the variances computed above. \\ \hline 51 & \\ \hline 52 & Materials: \\ \hline 53 & Quantity variance \\ \hline 54 & Price variance \\ \hline 55 & Labor: \\ \hline 56 & Efficiency variance \\ \hline 57 & Rate variance \\ \hline 58 & Variable overhead: \\ \hline 59 & Efficiency variance \\ \hline 60 & Rate variance \\ \hline 61 & \\ \hline 62 & Excess of actual over standard cost per unit \\ \hline 63 & \\ \hline 64 & \\ \hline 65 & \\ \hline 66 & \\ \hline \end{tabular}