1. Schuppener Company sells its only product for $18 per unit, variable production costs are $6 per unit, and selling and administrative costs are $3 per unit. Fixed costs for 10,000 units are $10,000.

2. Fixed costs equal $12,000, unit contribution margin equals $20, and the number of units sold equal 1,600. Operating income is:

3. If selling price per unit is $30, variable costs per unit are $20, total fixed costs are $10,000, the tax rate is 30%, and the company sells 5,000 units, net income is:

4. At the breakeven point of 200 units, variable costs total $400 and fixed costs total $600. The 201st unit sold will contribute ______ to profits