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Engines Done Right Co. is trying to establish the standard labor cost of a typic

ID: 2489919 • Letter: E

Question

Engines Done Right Co. is trying to establish the standard labor cost of a typical engine tune-up. The following data have been collected from time and motion studies conducted over the past month.

                     Actual time spent on the tune-up                 1.0 hour

                     Hourly wage rate                                          $16

                     Payroll taxes                                                10% of wage rate

                     Setup and downtime                                    10% of actual labor time

                     Cleanup and rest periods                            20% of actual labor time

                     Fringe benefits                                             25% of wage rate

Instructions

(a)     Determine the standard direct labor hours per tune-up

(b)     Determine the standard direct labor hourly rate.

(c)     Determine the standard direct labor cost per tune-up.

(d)     If a tune-up took 1.5 hours at the standard hourly rate, what was the direct labor quantity variance?

Explanation / Answer

a.

Actual time spent on the tune-up

1

Hour

Setup and downtime

1 hour *10%

0.1

Hour

Cleanup and rest periods

1 hour *20%

0.2

Hour

Standard direct labor hours per tuneup

1.3

Hours

b.

Hourly wage rate

$ 16.00

Payroll taxes

$16 * 10%

$ 1.60

Fringe benefits

$16 * 25%

$ 4.00

Standard direct labor hourly rate

$ 21.60

c.

Standard direct labor cost per tuneup = Standard direct labor hours per tuneup * Standard direct labor hourly rate = 1.30 hours * $21.60 = $28.08 per tune up

d.

Direct labor quantity variance = (1.5 hours – 1.3 hours) * $21.60 = $4.32 U

Actual time spent on the tune-up

1

Hour

Setup and downtime

1 hour *10%

0.1

Hour

Cleanup and rest periods

1 hour *20%

0.2

Hour

Standard direct labor hours per tuneup

1.3

Hours