Dawson Toys, Limited, produces a toy called the Maze. The company has recently created a standard cost system to help control costs and has established the following standards for the Maze toy Direct materials: 7 microns per toy at 5034 per micron Direct labor 1.4 hours per toy at $720 per hour During July, the compary ptoduced 4700 Maze toys. The toy's production data for the month are as follows Direct materiats. 75,000 microns were purchased at a cost of $0.33 per micron 33,875 of these microns were stin in inveritory at the end of the month Direct labor 7180 direct labor hours were worked at a cost of $55,286 Required: 1 Compute the following variances for July. (indicote the effect of each variance by selecting " F " for favorable, " U " for unfovorable. and "None" for no effect (t.e., zero variance). Input all amounts os positive values. Do not round intermediate calculations. Round final answer to the nearest whole dollat amount) a. The materials price and quantity variances b The labor rate and efficiency varances