Trump Corporation operates a factory. One of its departments has three kinds of
employees on its direct labor payroll, classified as pay grades A, B, and C. The
employees work in 10-person crews in the following proportions:
The work crews cannot work short-handed. To keep a unit operating when one of the
regular crew members is absent, the head of the department first tries to reassign one of
the department’s other workers from indirect labor operations.
If no one in the department is able to step in, plant management will pull maintenance
department workers off their regular work, if possible, and assign them temporarily to
the department. These maintenance workers are all classified as Grade D employees,
with a standard wage rate of $10 an hour.
The following data relate to the operations of the department during the month of May:
Required: Compute labor rate, mix, and yield variances.