World Strings produces student-grade violins for beginning violin students. The company produced 2,700 violins in its first month of operations. At month end, 800 finished violins remained unsold. There was no inventory in work in process. Violins were sold for $120.00 each. Total costs from the month are as follows:

The table shows the following data with cost in dollars:

Direct materials used - 120,300

Direct labor - 65,000

Variable manufacturing overhead - 28,000

Fixed manufacturing overhead - 64,800

Variable selling and administrative expenses - 10,000

Fixed selling and administrative expenses - 12,900

The company prepares traditional (absorption costing) income statements for its bankers. World Strings would also like to prepare contribution margin income statements for management use. Compute the following amounts that would be shown on these income statements:

1. Gross profit

2. Contribution margin

3. Total expenses shown below the gross profit line

4. Total expenses shown below the contribution margin line

5. Dollar value of ending inventory under absorption costing

6. Dollar value of ending inventory under variable costing

7. Which income statement will have a higher operating income? By how much? Explain.