PLEASE HELP WITH B

Hart Labs, Inc. provides mad cow disease testing for both state and federal governmental agricultural agencies. Because the companys customers are governmental agencies, prices are strictly regulated. Therefore, Hart Labs must constantly monitor and control its testing costs. Shown below are the standard costs for a typical test.

Direct materials (2 test tubes @ $1.00 per tube)		$2.00
Direct labor (1 hour @ $30 per hour)		30.00
Variable overhead (1 hour @ $7.00 per hour)		7.00
Fixed overhead (1 hour @ $13.00 per hour)		13.00
Total standard cost per test		$52.00

The lab does not maintain an inventory of test tubes. As a result, the tubes purchased each month are used that month. Actual activity for the month of November 2020, when 1,200 tests were conducted, resulted in the following.

Direct materials (2,520 test tubes)		$2,268
Direct labor (1,236 hours)		34,608
Variable overhead		8,160
Fixed overhead		14,976

Monthly budgeted fixed overhead is $16,900. Revenues for the month were $79,200, and selling and administrative expenses were $4,000.

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