Kropf Inc.has provided the following data concerning one of the products in its standard cost system.Variable manufacturing overhead is applied to products on the basis of direct labor-hours. 
The company has reported the following actual results for the product for September: 
Required:
a.Compute the materials price variance for September.
b.Compute the materials quantity variance for September.
c.Compute the labor rate variance for September.
d.Compute the labor efficiency variance for September.
e.Compute the variable overhead rate variance for September.
f.Compute the variable overhead efficiency variance for September.
Definitions:
Straight Line
The shortest distance between two points; in geometry, it is an infinite number of points along the same direction with no curvature.
Revision Block
A part of the drawing documentation where changes and revisions are recorded.
Millimeter
A unit of length in the metric system equal to one thousandth of a meter.
Abbreviation
A shortened form of a word or phrase used to simplify communication.
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