Choose how each of the following costs should typically be classified:

1. cost of wool for a company making knitwear products [ Select ] ["indirect production costs", "manufacturing overheads", "direct materials"]

2. wages of assembly line workers in a car manufacturing factory [ Select ] ["direct labour", "manufacturing overheads", "administrative costs"]

3. office rent of a travel agent [ Select ] ["administration costs", "indirect production costs", "finance costs"]

4. depreciation on factory equipment in a company producing furniture [ Select ] ["direct labour", "administration costs", "manufacturing overheads"]

5. salespeople's salaries [ Select ] ["administration costs", "direct labour", "selling and distribution costs"]

6. accountants' salaries [ Select ] ["direct labour", "administration costs", "finance costs"]