The standard cost sheet for Chambers Company, which manufactures one product, follows: $ 120 100 Darect materials, 40 yards at $3.00 per yard Direct labor. 4 hours at $25 per hour Factory overhead applied at 854 of direct labor (variable costs = 560: fixed costs = $25) Variable selling and administrative Fixed selling and adenoistrative Tetalnit costs 85 72 48 $ 425 Standards have been computed based on a master budget activity level of 29,600 direct labor-hours per month. Actual activity for the past month was as follows: Materials used otteet labor Total factory overhead Production 236,000 yards at $3.10 per yard 29,100 hours at $26.00 per houx $600,000 5, 800 unate Required: Prepare variance analyses for the vanable and fixed 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 U Efficiency variance Direct labor Price variance Efficiency variance U Variable overhead: Efficiency variance Fixed overhead: Production volume variance U