Parker Plasic, thicotporated, manufactures plastic mats to use with rolling oflice chairs. its standard cost information for last year. Parker Plastic had the following actual resuils for the past year Required: Calculote Parker Plosticis vailabie oveitiead rate and efficiency variances and its over-or underapplied variable overhead Note: Do not round intermediate calculntions. Indicate the effect of eoch voriance by selecting "F" for favorable, "U" for unfovornble, and "None" for no elfect (i,0., tero varionce). Parker Plasic, thicotporated, manufactures plastic mats to use with rolling oflice chairs. its standard cost information for last year. Parker Plastic had the following actual resuils for the past year Required: Calculote Parker Plosticis vailabie oveitiead rate and efficiency variances and its over-or underapplied variable overhead Note: Do not round intermediate calculntions. Indicate the effect of eoch voriance by selecting "F" for favorable, "U" for unfovornble, and "None" for no elfect (i,0., tero varionce)