Refer to the data in Problem 9-18. Limpio, Inc., also uses two different types of direct labor in producing the cleansing chemical: mixing and drum-filling labor (the completed product is placed into 50-gallon drums). For each batch of 20,000 gallons of direct materials input, the following standards have been developed for direct labor:

Required:
1. Compute the direct labor mix and yield variances.
2. Compute the total direct labor efficiency variance. Show that the total direct labor efficiency variance is equal to the sum of the direct labor mix and yield variances.

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Direct Labor Type Mix SP Standard Cost Mixing Drum-filling 2,000 hrs. $11.00 $22,000 1,000 8.00 8,000 Total 3,000 hrs. $30,000 Yield 15,000 gallons The actual direct labor hours used for the output produced in March are also pro- vided: Labor Type Mixing Drum-filling Mix 18,000 hrs. 12,000 Total 30,000 hrs. Yield 158,400 gallons