Ms. Teason estimates that she uses 30 percent of her residence and 40 percent of her home phone and home internet service for employment/business related purposes. Maximum CCA on 100 percent of the house would be $15,000. Determine the maximum deduction that would be available to Ms. Teason assuming: A. She is an employee with $80,000 in income (no commissions). B. She is an employee with $80,000 in commission income. C. She is self-employed and earns $80,000 in business income.