Identify whether the following costs are variable costs, fixed costs, or mixed costs by selecting "VC" for variable cost, "FC" for fixed cost, or "MC" for mixed cost from the dropdown boxes.

1. Utilities expense [ Select ] ["VC", "FC", "MC"]

2. Salaries [ Select ] ["VC", "FC", "MC"]

3. Wages (hourly pay) [ Select ] ["VC", "FC", "MC"]

4. Rent [ Select ] ["VC", "FC", "MC"]

5. Car rental costs [ Select ] ["VC", "FC", "MC"]