Parker Plastic, Incorporated, manufactures plastic mats to use with rolling office chairs. Its standerd cost information for last year follows: Parker Plastc had the following actual results for the past year: Required: Calculote 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 unfevorable, and "None" for no effect (l.e., zero variance)