Please complete the following problems:
Problem 11-11 – Barberry, Inc
Problem 11-12 – Landers Company
Problem 11-13 – Topaz Company
Problem 12-15 – Comparative Data
Problem 12-16 – MacIntyre Fabrications
Please answers the following question 75-150 words
Why are separate price and quantity variances computed? Who is generally responsible for the materials price variance; the materials quantity variance; the labor efficiency variance?