Becton Labs, Inc., produces various chemical compounds for industrial use. One compound, called Fludex, is prepared using an elaborate distilling process. The company has developed standard costs for one unit of Fludex, as follows:

Standard Quantity

Standard Price or Rate

Standard Cost

Direct materials

2.20 ounces

$

23.00

per ounce

$

50.60

Direct labor

0.70 hours

$

12.00

per hour

8.40

Variable manufacturing overhead

0.70 hours

$

3.00

per hour

2.10

$

61.10

During November, the following activity was recorded relative to production of Fludex:

a.	Materials purchased, 11,000 ounces at a cost of $237,600.
b.	There was no beginning inventory of materials; however, at the end of the month, 2,650 ounces of material remained in ending inventory.
c.	The company employs 18 lab technicians to work on the production of Fludex. During November, they worked an average of 190 hours at an average rate of $10.50 per hour.
d.	Variable manufacturing overhead is assigned to Fludex on the basis of direct labor-hours. Variable manufacturing overhead costs during November totaled $6,200.
e.	During November, 3,750 good units of Fludex were produced .

Required :

1. For direct materials:

a. Compute the price and quantity variances.

2. For direct labor:

a. Compute the rate and efficiency variances.

3. Compute the variable overhead rate and efficiency variances