(AlCPA adapted) Working backward from known variances Tub Co. uses a standard cost system. The following information pertains to direct labor for product B for the month of October:

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Actual rate paid $8.40 per hour Standard rate... Standard hours allowed for actual production Labor efficiency variance REQUIRED What were the actual hours worked? $8.00 per hour 2,000 hours $1,600 U a. 1,800 d. 2,200 b. 1,810 c. 2,190 e. none of the above.