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 $7,100 plus $2.90 per lier of gelato sold and the actual wages for June were $24,900. Via Gelato expected to sell 6,000 liters in June, but actually sold 6,200 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.) Answer is complete but not entirely correct