For each of the costs listed below, indicate whether it is:
(a) A product or period cost
(b) A variable or fixed cost
(c) A manufacturing or non-manufacturing cost.
1. Advertising costs of Nike.
2. Straight line depreciation on factory machinery of Airbus Industries.
3. Wages of assembly-line personal of GM Holden.
4. Delivery costs on customer shipments of Streets ice-cream.
5. Newsprint consumed in printing the Adelaide Advertiser.
6. Plant insurance costs of Levi Strauss.
7. Glass costs incurred in light-bulb manufacturing of General Electric.
8. Tyre costs incurred by Subaru.
9. Sales commissions paid to the sales force of Dell Inc.
10. Wood glue consumed in the manufacture of Simply Pine furniture.
11. Hourly wages of refinery security guards employed by BP.
12. The salary of a financial vice president of Microsoft.