Standard variable overhead rate per hour	$1
Standard fixed overhead rate per hour	$2
Planned monthly activity	40,000 machine hours
Actual production completed	82,000 units
Standard machine processing time	Two units per hour
Actual variable overhead	$37,000
Actual total overhead	$121,000
Actual machine hours worked	40,500

                  All of the company's overhead is variable or fixed in nature.

                  

                  Required:

                  1.     Calculate the spending and efficiency variances for variable overhead.

                  2.     Calculate the SPENDING and PRODUCTION volume variances for fixed overhead.