I suggest you take it to a tax preparer
The tax you estimated is a bit low.
Do you have any kids?
https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/taxation/spouse-common-law-partner-amount/L6V3varcn_CA_en_CA#:~:text=The%20spouse%20or%20common-law%20partner%20amount%20is%20a%20non,responsible%20for%20the%20other%20spouse.
What is the spouse or common-law partner amount?
SOLVED•by TurboTax•44•Updated 2 weeks ago
The spouse or common-law partner amount is a non-refundable tax credit meant to help families living in the same dwelling where one spouse is financially responsible for the other spouse.
You can claim this amount for the entire year, even if you met the eligibility requirements for only part of the year, if:
You supported your spouse or common-law partner at any time during the year, and
Their income was lower than your basic personal amount (or your basic personal amount plus $2,295 if your spouse or common-law partner was dependent on you because of a mental or physical impairment)
The maximum amounts you can claim for tax year 2022 are: $12,719 (for the 33% tax bracket) or $14,398 (for the 29% tax bracket). If you are also eligible for the Canada caregiver credit, those numbers would increase to $15,069 (for the 33% tax bracket) or $16,748 (for the 29% tax bracket), respectively. Find out more about these tax credit amounts on the CRA website.
You can't claim this credit if you're claiming the amount for an eligible dependent.
https://www.canada.ca/en/revenue-agency/programs/about-canada-revenue-agency-cra/federal-government-budgets/budget-2016-growing-middle-class/income-splitting-credit.html
https://www.wealthsimple.com/en-ca/tool/tax-calculator/ontario