Matt's Eat 'N Run has two categories of direct labor unskilled, which costs $21 per hour and skilled, which costs $40 per hour. Management has established standards per equivalent friendly meal," which has been defined as a typical meal consisting of a hamburger, a drink, and french fries. Standards have been set as follows: Skiled labor For the year, Matt's sold 210,000 equivalent friendly meals and incurred the following labor costs: $287,000 261,400 7.000 hours 11,000 hours Skilled labor Required a. Compute labor price and efficiency variances. (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.) Labor price variance b. Compute labor mix and yield variances. (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.)