The standard cost sheet for Chambers Company, which manufactures one product, follows: $90 120 Direct materials, 30 yards at $3.00 per yard Direct labor, 4 hours at $30 per hour Factory overhead applied at 80% of direct labor (variable costs - $85; fixed costs - $11) Variable selling and administrative Fixed selling and administrative Total unit costs 96 78 54 $ 438 Standards have been computed based on a master budget activity level of 30,200 direct labor-hours per month. Actual activity for the past month was as follows: Materials used Direct labor Total factory overhead Production 200,000 yards at 33.15 per yard 25,000 hours at 532.00 per hour $630,000 5,900 units Required: Prepare variance analyses for the variable and fixed costs. Materials are purchased as they are used. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Required: Prepare variance analyses for the variable and fixed costs. Materials are purchased as they are used. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Direct materials: Price variance Efficiency variance Direct labor Price variance Efficiency variance Vatlable overhead Eficiency variance Fixed overhed Production volume variance