Topper Toys has developed a new toy called the Brainbuster. The company has a standard cost system to help control costs and has established the following standards for Brainbuster.

Direct Materials 8 diodes per toy at $0.30 per diode

Direct Labor 1.2 hours per toy at $7 per hour

During August, the company produced 5,000 Brainbuster toys. Production data on the toy for August is as follows:

Direct materials: 70,000 diodes were purchased for use in production at a cost of $0.28 per diode. Some 20,000 of these diodes were still in inventory at the end of the month.

Direct labor: 6,400 direct labor hours were worked at a cost of $48,000.

1. The direct materials price variance for August is: a) $1,000 favorable . b) $1,000 unfavorable . c) $2,000 favorable . d) $2,000 unfavorable

2. The direct materials usage variance for August is: a) $1,000 favorable . b) $1,000 unfavorable . c) $3,000 favorable . d) $3,000 unfavorable

3. The direct labor rate variance for August is: a) $6,000 favorable . b) $6,000 unfavorable . c) $3,200 favorable . d) $3,200 unfavorable

4. The direct labor efficiency variance for August is: a) $2,800 favorable . b) $2,800 unfavorabe . c) $3,200 favorable . d) $3,200 unfavorable

PLEASE show step by step calculations, Thanks.