The standard cost sheet for Chambers Company, which manufactures one product, follows: $525, eaa Direct materials, 4a yards at $2. se per yard Direct labor, 5 hours at $2e per hour Factory overhead applied at of direct labor (variable costs $0; fixed costs $25) Variable selling and administrative Fixed selling and administrative Total unit costs $ laa $ 429 Standards have been computed based on a master budget activity level of 30,800 direct labor-hours per month. Actual activity for the past month was as follows: Materials used Direct labor Total factory overhead Production : Required: yards at $2.55 per yard 248, 29, hours at $21.e per hour 5, units 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.) Answer is complete but not entirely correct. Price variance Efficiency variance irect labo Price variance Efficiency variance Efficiency variance Production volume variance s 12,4009 u s 40,oooe u s 2912009 u s 4,oooe u s 20,000' u