Parker Plastic, incorporated, manufactures plastic mats to use with rolling office chairs, its standard cost information for last year follows: Parker Plastic had the following actual results for the past year: Required: Calculate Parker Plastic's direct labor rate and efficiency variances Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "F* for favorable, "U* for unfavorable, and "None" for no effect (i.e., zero variance)