Please help me by solving questions 3-7. Thank you!

1. Ski Corporation has provided the following data for its most recent year of operations: 1. The unit product cost under absorption costing: 2. The unit product cost under variable costing: 3. The net operating income (loss) under absorption costing: 4. The net operating income (loss) under variable costing: 5. The difference between the net operating incomes 6. The amount of fixed costs under variable 7. The amount of fixed costs under absorption