You can go into your 2018 return and see how much you owed. The web address for 2018 is: https://ww1.2018.turbotaxonline.intuit.ca/
But the best way to find out exactly how much you paid is to login to the CRA’s My Account service, as they will have all your payments to them. You can login here: https://www.canada.ca/en/revenue-agency/services/e-services/e-services-individuals/account-individua...
You can also check your credit card’s payment history to see what the amount was.
If you have TurboTax Live Assist & Review, here is how to talk to a Tax Expert: https://turbotax.community.intuit.ca/community/navigating-turbotax/help/i-m-using-turbotax-live-assi...
