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