Quilcene Oysteria farms and sells oysters in the Pacific Northwest. The company harvested and sold 7,800 pounds of oysters in August. The company's flexible budget for August appears below: Required: Calculate the company's revenue and spending variances for August. (Indicote the effect of each variance by selecting " F " for favorable, " U " for unfovorable, and "None" for no effect (i.e., zero voriance). Input oll amounts as positive values.) The actual results for August were as follows