Parker Piastic, 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 materials price and quantiy 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 (li.e., zero variance)