The Milling Department uses standard machine hours to assign overhead to products. Budgeted volume for year was 36,000 machine hours. A flexible budget is used to set the overhead rate. Fixed overhead is budgeted to be $720,000 and variable overhead is predictable to be $10 per machine hour.
During the year, two products are milled. The given table summarizes operations.
Product 1
Units milled 10,500
Standard machine per unit 2
Actual machine hours used 23,000
Product 2
Units milled 12,000
Standard machine per unit 1
Actual machine hours used 13,000
Actual overhead during the year was $1.1 million.
Evaluate all the relevant overhead variances for department, and prepare a memo that explain what each one means.