Via gelato is a popular neighborhood gelato shop. the company has provided the following cost formulas and actual results for the month of june: fixed element per month variable element per liter actual total for june revenue $ 25.00 $ 151,540 raw materials $ 5.95 $ 39,030 wages $ 6,900 $ 2.70 $ 23,500 utilities $ 2,930 $ 1.50 $ 13,000 rent $ 3,900 $ 3,900 insurance $ 2,650 $ 2,650 miscellaneous $ 780 $ 1.65 $ 10,890 while gelato is sold by the cone or cup, the shop measures its activity in terms of the total number of liters of gelato sold. for example, wages should be $6,900 plus $2.70 per liter of gelato sold and the actual wages for june were $23,500. via gelato expected to sell 6,200 liters in june, but actually sold 6,400 liters. required: calculate via gelato revenue and spending variances for june. (indicate the effect of each variance by selecting "f" for favorable, "u" for unfavorable, and "none" for no effect (i. e., zero variance). input all amounts as positive values.)