Ruby Company which has only one product, has provided the following data concerning its most recent month of operations:

Selling price....................................................................P129

Units in beginning inventory...........................................0

Units produced..............................................................6,300

Units sold..........................................................................6,100

Units in ending inventory..............................................200

Variable costs per unit:

Direct materials................................................................P32

Direct labor.........................................................................P50

Variable manufacturing overhead............................P5

Variable selling and administrative...........................P11

Fixed costs:

Fixed manufacturing overhead.................................P88,200

Fixed selling and administrative...............................P97,600

4. What is the unit product cost for the month under variable costing?

5. What is the unit product cost for the month under absorption costing?

6. The total contribution margin for the month under the variable costing approach is:

7. The total gross margin for the month under the absorption costing approach is:

8. What is the total period cost for the month under the variable costing approach?

9. What is the total period cost for the month under the absorption costing approach?

10. What is the net operating income for the month under variable costing?

11. What is the net operating income for the month under absorption costing?