(Individual Tax Instalments) The following table contains information for Gladys Nite for the three years ending December 31, 2020. The Tax Payable column is her combined federal and provincial Tax Payable. The amounts in the columns titled Case One, Two, and Three are the amounts withheld by her employer in three independent cases. Tax Payable Case One Case Two Case Three 2018 $18,880 $14,480 $19,280 $15,280 2019 20,320 19,720 14,880 16,160 2020 (Estimated) 21,760 18,640 18,560 19,440 Required: (Individual Tax Instalments) The following table contains information for Gladys Nite for the three years ending December 31, 2020. The Tax Payable column is her combined federal and provincial Tax Payable. The amounts in the columns titled Case One, Two, and Three are the amounts withheld by her employer in three independent cases. Tax Payable Case One Case Two Case Three 2018 $18,880 $14,480 $19,280 $15,280 2019 20,320 19,720 14,880 16,160 2020 (Estimated) 21,760 18,640 18,560 19,440 Required