Match each of the following cost items with the value chain business function where you would expect the cost to be incurred: Cost Item 1. Purchase of raw materials Business Function 2. Advertising 3. Salary of research scientists 4. Delivery expenses 5. Reengineering of product assembly process 6. Replacement labor expense for warranty repairs 7. Manufacturing supplies 8. Sales salaries 9. Purchase of CAD (computer-aided design) software 10. Salary of website manager Customer service Design Distribution Marketing Production Research and development