Annie's Homemade is preparing a planning budget for August. Its budgeted revenue per serving is $5.00. It has identified two cost drivers - number of servings and number of labor-hours. The company expects to sell 10,800 servings and to staff 700 employee labor-hours in August. Data concerning the company's cost formulas are shown below: In August, the company actually sold 11,200 servings of ice cream and staffed 780 employee labor-hours. It's budgeted revenue per serving is $5.00. Required: Calculate the activity variances for August. Note: 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. Required: Calculate the activity variances for August. Note: 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