Timberlake Company planned for a production and sales volume of 12,000 units. However, the company actually made and sold 13,000 units. Per unit standards Static Budget Flexible Budget Number of units 12,000 13,000 Sales revenue $ 65.00 $ 780,000 $ 845,000 Variable manufacturing costs: Materials $ 11.00 132,000 143,000 Labor $ 9.00 108,000 117,000 Overhead $ 4.20 50,400 54,600 Variable general, selling, and administrative costs $ 11.00 132,000 143,000 Contribution margin 357,600 387,400 Fixed costs Manufacturing overhead 100,800 100,800 General, selling, and administrative costs 45,000 45,000 Net income $ 211,800 $ 241,600 What was the sales volume variance?