The following information relates to Joplin Company for the period just ended:

Standard

 Variable overhead rate per hr:  $1

Standard Fixed overhead rate per hr: $2

Planned monthly activity: 40,000 machine hours

Actual Production Completed: 82,000 units

Standard Machine Processing Rate: two units per hour

Actual Variable Overhead: $37,000

Actual Total Overhead: $121,000

Actual Machine Hours Worked: 40,500

The company uses machine hours to apply variable and fixed overhead.

Required: 

A.   Calculate the variable overhead variances and the fixed overhead variances. 

B.   Record the journal entries when the variances are recognized.

C.   Record the journal entries when the variances are disposed at the end of the period.