please show all work

V. Flushing Corp. produces a single product. Variable manufacturing overhead is applied to products on the basis of direct-labor hours. The standard cost card for one unit of product is as follows: (2) (1) Standard Quantity Inputs or Hours Direct materials..... ..6 ounces Direct labor......... ..0.6 hours Variable manufacturing overhead.....0.6 hours Total standard cost per unit.............. Standard Price or Rate $0.50 per ounce $30.00 per hour $10.00 per hour Standard Cost (1) x (2) $3.00 18.00 6.00 $27.00 During June, 2,000 units were produced. The costs associated with June's operations were as follows: Materials purchased: 18,000 ounces at $0.60 per ounce.............$10,800 Materials used in production: 14,000 ounces......... Direct Labor:1,100 hours at $30.50 per hour........ $33,550 Variable manufacturing overhead costs incurred... ..$12,980 I Required: 1. Compute labor rate variance and the labor efficiency variance. (8 points) 2. Compute the overhead rate variance and the overhead efficiency variance. (8 points)