please help with all parts

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: 8 microns per toy at $0.31 per micron Direct labor: 1.4 hours per toy at $7.10 per hour During July, the company produced 5,500 Maze toys. The toy's production data for the month are as follows: Direct materials. 73,000 microns were purchased at a cost of $0.30 per micron. 18,000 of these microns were still in inventory at the end of the month. Direct labor. 8,100 direct labor-hours were worked at a cost of $62,370. Required: 1. Compute the following variances for July: (Indicate the effect of each variance by selecting "F" for fovorable, " U " for unfavorable, and "None" for no effect (i.e., zero voriance). Input all amounts as positive values. Do not round intermediate colculations. Round final answer to the nearest whole dollar amount.) a. The materials price and quantity variances. b. The labor rate and efficiency variances