The following table contains information for Gladys Nite for the three years ending December $31,$

$2021,2022,$ and $2023.$ The tax payable column is Gladys' combined federal and

provincial$/$territorial income tax payable.

The amounts in the columns titled Case One, Case Two, and Case Three are the amounts withheld

by her employer in the three independent cases.

Required:

A$.$ For each of the three cases:

Indicate whether instalments are required for the $2023$ taxation year. Show all supporting

calculations.

In those cases where instalments are required, indicate the amount of the instalments

that would be required under the approach used in the CRA's instalment reminder.

In those cases where you have calculated the instalments required under the CRA's installment

reminder approach, indicate whether there is a better approach and, if so$,$ calculate

the required instalments under that approach.

B$.$ For those cases where instalments are required, indicate the dates on which the payments

will be due.