Ferry Chemical uses a standard cost system to account for the costs of its production of Chemical X Standards are 2.8 gallons of materials at $119 per gallon and 24 hours of labor at a standard wage rate of $26. During September, Ferry Chemical produced 3,150 gallons of Chemical X. Ferry Chemical purchased and used totaled 3,710 gallons at a total cost of $445,180. Payroll totaled $316,730 for 26,130 hours worked a. Calculate the direct materials price variance (Do not round your Intermediate calculations. Indicate the effect of variance by selecting "Favorable", "Unfavorable", or "None" for no effect (I.e., zero variance).) Price Vanance b. Calculate the direct materials quantity variance. (Indicate the effect of variance by selecting "Favorable", "Unfavorable", or "None" for no effect (Le., zero variance).) Quantity Variance c. Calculate the direct labor rate variance. (Do not round your Intermediate calculations. Indicate the effect of variance by selecting "Favorable". "Unfavorable", or "None" for no effect (.e., zero variance).) 221 c. Calculate the direct labor rate variance. (Do not round your Intermediate calculations. Indicate the effect of varlance by selecting "Favorable", "Unfavorable", or "None" for no effect (l.e., zero varlance).) Rate Variance d. Calculate the direct labor efficiency variance. (Indicate the effect of variance by selecting "Favorable", "Unfavorable", or "None" for no effect (Le., zero variance).) Efficiency Variance