Skizone Company's 4-Variance Analysis Emiciency Variance Spending Variance Production-Volume Varance No varlance $42,000 U $20,000 u No variance $6,700 F Variable overhead Fxed overhead $2,000, what is the fixed overhead spending variance (a)? r skizone's combined 4-Variance Analysis shows an unfavorable spending variance of OA $8,700 unfavorable OB. $8,700 tavorable O C. $4,700 tavorable O D. $4 700 unfavorable