Show all calculations for this problem: Based on the following given data, using variable costing method compute: 1. Unit contribution margin 2. Net income for the period Variable costs per unit: Manufacturing: Direct Materials $6 Direct Labor $9 Variable manufacturing overhead $3 Variable Selling and Administrative $4 Fixed costs per year: Fixed manufacturing overhead $300,000 Fixed selling and administrative $190,000 = $50 per Assume 22,000 units produced with 20,000 units sold. Selling price unit