How do I calculate the Total Variable Costs?

OSAGE, INC. Profit Variance Analysis Marketing and Manufacturing Variances Administrative Variances Actual Sales Price Variance Flexible Budget Sales Activity Variance Master Budget $ 4,972,000 $ 432,000F $ 4,540,000 $ 340,000 U $ 4,880,000 Sales revenue Variable costs: Materials 1,464,000 98,000 U 37,800F 84,600 U 341,600 634.400 1,460,000 $ 280,000 674,800 476,000 $ 2,890,800 $ 2,081,200 1,362,000 317,800 590,200 454,000 $ 2,724,000 $ $ 1,816,000 $ 102,000 F 23,800 F 44,200 F 34.000 204,000F 136,000 (U $ $ U 22,000U 22,000 IU 22,000 (U 488,000 $ 2,928,000 $ 1,952,000 U $ $ 432,000 F Direct labor Variable overhead Variable marketing and administrative Total variable costs Contribution margin Fixed costs: Manufacturing overhead Marketing Administrative Total fixed costs Operating profits 989,600 29,200U 960,400 0 960,400 292,000 0 292,000 0 292,000 180,400 0 180,400 208,000 $ 1,489,600 $ $ 27,600 U 27,600 U 49,600U 0 29,200U U $ 1,432,800 $ $ 1,432,800 383,200 $ $ 591,600 $ 432,000 F $ 136,000 U $ 519,200