Winston Co. had two products code named X and Y. The firm had the following budget for August: Product X Product Y Total Sales $ 351,000 $ 540,000 $ 891,000 Variable Costs 207,090 270,000 477,090 Contribution Margin $ 143,910 $ 270,000 $ 413,910 Fixed costs 50,000 108,000 158,000 Operating Income $ 93,910 $ 162,000 $ 255,910 Selling Price per unit $ 100 $ 50 On September 1, the following actual operating results for August were reported: Product X Product Y Total Sales $ 370,000 $ 560,000 $ 930,000 Variable Costs 204,000 224,000 428,000 Contribution Margin $ 166,000 $ 336,000 $ 502,000 Fixed costs 50,000 108,000 158,000 Operating Income $ 116,000 $ 228,000 $ 344,000 Units Sold 3,000 9,000 Total industry volume for both products X and Y was estimated to be 130,000 units at the time of the budget. Actual industry volume for the period for products X and Y was 100,000 units. The firm's total sales quantity variance for the period is: (Do not round intermediate calculations.) Multiple Choice $34,930 favorable. $75,970 favorable. $53,830 favorable. $66,816 unfavorable. $144,890 favorable.