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: Caiculate Parker Plastic's fixed overtend spending and volume variances and its ovef-or underapplied fixed ovethead, Note: Indicate the effect of each variance by selecting "F" for favorable, " U " for unfavorable, and "None" for no effect (L.e., zero variance)