The static budget, at the beginning of the month, for Keats Company follows: Static budget: Sales volume: 2 comma 000 units; Sales price: $ 51 per unit Variable costs: $ 12.50 per unit; Fixed costs: $ 25 comma 000 per month Operating income: $ 52 comma 000 Actual results, at the end of the month, follows: Actual results: Sales volume: 1 comma 950 units; Sales price: $ 59 per unit Variable costs: $ 18 per unit; Fixed cost: $ 39 comma 000 per month Operating income: $ 40 comma 950 Calculate the sales volume variance for operating income. A. $ 1 comma 925 U B. $ 9 comma 125 U C. $ 1 comma 925 F D. $ 50 F