Chapter 7, Problem 7.38P

1.

To determine

Total variable cost and percentage of each cost to total variable cost per unit of each member firm of the trade union for September 2014.

Given information:

Firm A

Actual material used is 2.15 oz. per glass.

Actual material price is $5.00 per oz.

Actual labor hours used is 0.75 hours.

Actual wage rate is $14.50 per hour. Per DLH

Actual variable overheads are $9.25 per DLH.

Firm B

Actual material used is 2.00 oz. per glass.

Actual material price is $5.25 per oz.

Actual labor hours used is 1:00 hours.

Actual wage rate is $14.00 per hour. Per DLH

Actual variable overheads are $14.00 per DLH.

Firm C

Actual material used is 2.20 oz. per glass.

Actual material price is $5.10 per oz.

Actual labor hours used is 0.65 hours.

Actual wage rate is $14.25 per hour. Per DLH

Actual variable overheads are $7.75 per DLH.

Firm D

Actual material used is 2.60 oz. per glass.

Actual material price is $4.50 per oz.

Actual labor hours used is 0.70 hours.

Actual wage rate is $15.25 per hour. Per DLH

Actual variable overheads are $11.75 per DLH.

Industry’s Standard

Standard material used is 2.15 oz. per glass.

Standard material price is $5.10 per oz.

Standard labor hours used is 0.70 hours.

Standard wage rate is $12.50 per hour. Per DLH

Standard variable overheads are $12.25 per DLH.

2.

To determine

Price and efficiency variance of direct material and direct manufacturing labor and their percentage over industry benchmark.

3.

To determine

Advantages and disadvantages of using industry’s standard as benchmark.