Alfredo Bellini is the payroll accountant for Pyrondo Fireworks, and he has been asked for information about employees and independent contractors. What are three of the key differences between employees and independent contractors? Note: You may select more than one answer.

1. Ownership of any tools
2. Number of hours worked
3. Management
4. Decisions
5. Investment and control the company has over the employee
6. The extent the employee's work
7. Educational level