You will need to claim capital cost allowance on the laptop and depreciate the cost over time. Use class 50 as an addition to your CCA base. This section is found after expenses in Turbo Tax self-employment.
https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/sole-proprietorships-partnerships/report-business-income-expenses/claiming-capital-cost-allowance.html
https://turbotax.intuit.ca/tips/what-is-capital-cost-allowance-2016