E9-9 (Algo) Colculating Direct Labor Variances [LO 9-4] Parke Plastic, Incoxporated, mahufactures plastic mats to use whth rolling office chairs its standard cost information for last year follows. Parker flasbe had the followang actual resuhs for the past year Required: Calculate Parker Plastic s direct lubor rate and eftichency variances Note: Do not round insermediate celculotions, indicase the effect of ench variance by selecting "F" for favorable, "U" for unfevorable, and "None" for no eflect (i.e, zero variance)