Basic Canadian Tax Return

“Imagine you received a T4 slip showing employment income and also earned $500 in cash tips that were not reported on any slip. Explain how you would report both types of income on your tax return. After entering all your income, deductions, and credits, your tax return shows a balance owing of $200. According to the video, what is the deadline for paying this amount to avoid penalties and interest? You filed your tax return and received a Notice of Assessment from the CRA. What is one piece of information you might find on this notice that could be helpful when filing your taxes next year, and why would it be useful?”