Based on the information provided, calculate the revenue variance percentage and determine whether it is favorable or unfavorable.Sales VolumeSales PriceTotal Variable CostsFixed CostsBudgeted$50,000$$$15$$$320,000$$$150,000$Actual$52,000$$$13\mathrm{.}5$$$350,000$$$150,000-6\mathrm{.}8\%$ unfavorable$-6\mathrm{.}4\%$ unfavorable$6\mathrm{.}8\%$ favorable $6\mathrm{.}4\%$ favorable