For the Three Years Ending December 31, 2020, Galina Skurnick's

Essay

For the three years ending December 31, 2020, Galina Skurnick's combined federal and
provincial taxes payable are as follows: Assume Ms. Skurnick's employer withholds combined federal and provincial taxes for each year as follows: Required: For each of the preceding independent Cases, calculate the minimum instalment payments that are required to be made towards the settlement of the taxes payable for the year ending December 31, 2020. Show all required calculations.
If instalments must be paid, your answer should include the date that each instalment is due.
Note that, in answering this question, you should state a conclusion on whether or not instalments are required, even if the amount of the instalments is nil.