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) $4,485,00 Master Budget (based on budgeted orders for 480,000 units) $4,320,000 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 1,680, eee 251, eee 531,900 371,500 $2,834,400 $1,650, 6ee 1,680,000 312,000 480,000 384,000 $2,856,800 $1,464,000 653,700 185, eee 131, eee $ 969,700 $ $ 680,900 625,000 185,000 110,000 $ 920,000 $ 544,000 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 S 0 S 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 S 0 0 $ 0 S $ 0 01 0 S $ 0