E9-9 (Algo) Calculating Direct Labor Variances [LO 9-4] Parker Plastic, Incorporated, manufoctures plastic mats to use with roling office chairs. its standord cost information for last year follows Parker Plastic hed the folowing actud results for the past year Required: Colculote Parker Plastic's direct labor rate and efficiency variances Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "pal for favorable, "U" for unfavorable, and "None" for no effect (L.e. zero variance)