The actual results for August appear below: Quilcene Oysteria Income Statement For the Month Ended August 31 Actual pounds 7,900 Revenue $ 26,806 Expenses: Packing supplies Oyster bed maintenance Wages and salaries Shipping Utilities Other 3,330 3,360 4,980 6,050 1,060 1,109 19,889 $ 6,911 Total expense Net operating income Required: Calculate the company's revenue and spending variances for August. (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.) Quilcene Oysteria Revenue and Spending Variances For the Month Ended August 31 Revenue Expenses Packing supplies Oyster bed maintenance Wages and salaries Shipping Utilities Other one one Total expense Net operating income None