Madison Company uses the following rule to determine whether direct labor efficiency variances ought to be investigated. A direct labor efficiency variance wili bet investigated anytime the amount exceeds the lesser of $12,000 or 10 percent of the standard labor cost, Reports for the past five weeks provided the following information: Required: Using the rule provided, identify the cases that wil be investigated. Week 1 : wack 2: Week 3: Week 4: Week 5