Osage, Inc., manufactures and sells lamps. The company produces only when it receives orders and, therefore, has no inventories. The following information is available for the current month: Actual (based on actual orders for 450,000 units) $4,974,000 Master Budget (based o n budgeted orders for 480,000 units) $4,800,000 Sales revenue Less Variable costs Materials Direct labor Variable overhead Variable marketing and administrative Total variable costs Contribution margin Less Fixed costs Manufacturing overhead Marketing Administrative Total fixed costs Operating profits 1,536,000 244,000 578,800 396,000 $2,754,800 $2,219,200 1,536,000 312,000 528,000 408,000 $2,784,000 $2,016,000 603,100 190,000 124,500 $ 917,600 $1,301,600 575,000 190,000 102,500 $ 867,500 $1,148,500 Required: Prepare a sales activity variance analysis for Osage, Inc., (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) OSAGE, INC. Sales Activity Variance Flexible Budget Sales Activity Variance Master Budget $ 0 Sales revenue Variable costs: Materials Direct labor Variable overhead Variable marketing and administrative Total variable costs Contribution margin Fixed costs: Manufacturing overhead Marketing Administrative Total fixed costs Operating profits $ 0 $