Options for 1a: a, b, c, or d

Options for 1b: all should be investigated

1, 2, 3, and 4

3, 4, 5, and 6

4, 5, and 6

none require investigation

During the last 6 weeks, the actual costs of materials for Brennen Company were as follows: Week 1 $57,600 Week 4 $68,400 Week 2 $60,000 Week 5 $69,000 Week 3 $63,000 Week 6 $69,500 The standard materials cost for each week was $60,000 with an allowable deviation of 6,000. Required: Review the graphs below. a. 70,000 Upper control limit 65,000 60,000 . Lower control limit 55,000 50,000 45,000 40,000 0 2 2 CA 3 5 7 b. $70,000 $65,000 $60,000 1 Upper control limit $55,000 $50,000 Lower control limit $45,000 $40,000 0 N 3 4 5 6 7 C. $70,000 $65,000 $60,000 Upper control limit $55,000 $50,000 1 Lower control limit $45,000 $40,000 0 2 3 4 5 6 7 d. $70,000 $65,000 $60,000 Upper control limit $55,000 $50,000 1 Lower control limit $45,000 $40,000 0 2 3 4 5 6 7 1 a. Select the letter adjacent to the graph which represents the actual costs over time against the upper and lower limits. b. From the dropdown list, select the variances to be investigated, if any