Comprehensive Variance Problem The standard cost sheet for Chambers Company, which manufactures one product, follows: Direct materials, 40 yards at $2.00 per yard . . . . . . . . . . . . . . . $ 80 Direct labor, 5 hours at $20 per hour. . . . . . . . . . . . . . . . . . . . . 100 Factory overhead applied at 80% of direct labor (variable costs = $60; fixed costs = $20). . . . . . . . . . . . . . . . . . 80 Variable selling and administrative . . . . . . . . . . . . . . . . . . . . . . 64 Fixed selling and administrative . . . . . . . . . . . . . . . . . . . . . . . . 40 Total unit costs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $364 Standards have been computed based on a master budget activity level of 28,800 direct labor- hours per month. Actual activity for the past month was as follows: Materials used. . . . . . . . . . . . . . 228,000 yards at $2.05 per yard Direct labor . . . . . . . . . . . . . . . . 25,200 hours at $20.40 per hour Total factory overhead. . . . . . . . $444,000 Production . . . . . . . . . . . . . . . . . 5,000 units Required Prepare variance analyses for the variable and fixed costs. Indicate which variances cannot be computed. Materials are purchased as they are used