Via Gelato is a popular neighborhood gelato shop. The company has provided the following cost formulas and actual results for the month of June: 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 $6,400 plus $2.20 per liter of gelato sold and the actual wages for June were $20,200. Via Gelato expected to sell 6,300 liters in June, but actually sold 6,500 liters. Required: Calculate Via Gelato revenue and spending variances for June. (Indicate the effect of each variance by selecting "F" for favorable