Thank you for choosing TurboTax. As per CRA, any money spent running your business is considered a business expense, and you can claim it on your tax return as a deduction.
Business expenses include, but are not limited to:
Advertising fees
Start-up costs (including interest and fees on money borrowed for your business)
Delivery or shipping costs
Legal, accounting, and similar professional fees
Office supplies
Telephone, Mobile phone, and Internet (were used for business)