Match each of the following cost items with the value chain business function where you would expect the cost to be incurred: Cost Item Business Function 1. Purchase of raw materials Production 2. Advertising 3. Salary of research scientists 4. Shipping expenses 5. Reengineering of product assembly process 6. Replacement parts for warranty repairs 7. Manufacturing supplies 8. Sales commissions 9. Purchase of CAD (computer-aided design) software 10. Salary of website designer