The table below has the costs for a specific period:

Cost item	Amount
Direct labour	$90,000
Direct material	$80,000
Advertising	$40,000
Factory supervision	$50,000
Sales Commission	$60,000
Depreciation, administrative office equipment	$5,000
indirect materials, factory	$7,000
Depreciation, factory building	$10,000
Administrative, office supplies	$3,000

Required:

1. What is the total period cost?
2. What is the total direct product cost?
3. What is the total indirect product cost?
4. From the cost items listed in the table above, list one indirect product cost which varies with the level of output.
5. Under variable costing, what is the average unit product cost for the specific period? Consider that during this specific period 1,000 units of only one type of product were manufactured.
6. Under absorption costing, what is the average unit product cost for the specific period? Consider that during this specific period 1,000 units of only one type of product were manufactured.
7. What is the underlying difference and implication between variable and absorption costing product per unit?

Please solve 4, 5, 6, 7