The following is a summarized master budget that Winnipeg Company prepared for January: Sales 9,000 units. Sales revenue $450,000. Less variable costs: Manufacturing $270,000, Selling and administrative $18,000 Total Variable Costs - $288,000. Contribution margin $162,000. Less fixed costs: Manufacturing $72,000, Selling and administrative $27,000 Total fixed costs: $99,000. Operating income $63,000. Actual results for January were as follows: Units produced and sold 8,500 units, Selling price per unit $55.00, Variable costs per unit: Manufacturing $32.00, Selling and administrative $1.50, Total fixed costs $99,000. What was the flexible budget variance for January? A) $ 20,750 F B) $9.000 U. C) $29,750 F D) $12.750 U