Current Attempt in Progress Bramble Corp.sells its product for $6600 per unit. Unit variable cost are: manufacturing, $3000, and selling and administrative, $25. Fixed costs are: $24000 manufacturing overhead and $26000 selling and administrative. There was no beginning inventory at 1/1/21. Production was 20 units per year in 2021-2023. Sales were 20 units in 2021, 16 units in 2022, and 24 units in 2023. Net income under variable costing for 2022 is $7200. O $19400. $5000. $17200