Parker Plastic incorporated, manufactures plastic mats to use with rolling office chairs. Its standard cost information for last year follows: Parker Plastic had the followng actual results for the past year: Pequired: Calculate Parket Phastic's direct matertals price and quantity variances Note; Do not round intermediate colculations. Indicote the effect of eoch variance by selecting "F" for favoroble, "U" for unfovorable, and "None" for no effect (i.e., tero variance)