pls provide detailed answer - how do u calculate part 1 tax income?

PROBLEM 2 (20 marks) Walah Lld, is a CCPC with a November 30, 2021 year end. At Deoumber 1, 2020, the balances in boen its GAlP and its Elighto FDTOH During the taxation year onding November 30, 2021, Waich had t axible income of S602,950, Naxation year onding Noyember 30, 2021, Waleh had Taxable income of Nonetcapital losses wore tax Purposes dobed in determining Taxable income. The Company's Net income for Tax Purposos includes the tollowing amounts of noroperating income: Note - These dividends, none of which were designated as eligible, were received from Murphy, another CCPC. Walsh owns 65% of this company's voting shares. As a consequence of paying a dividend, Murphy received a dividend refund on the total dividend paid of $20,386. Walsh is associated with four other companies. The annual business limit for the small business deduction is shared equally by Walsh and these companies. The $100,000 allocation is less than the Company's active business income for the year of $290,150. Walsh Inc. paid taxable dividends of $66,560 during the year. It is the policy of the corporation to designate dividends as eligible only to the extent that a dividend refund will be available on their payment. For the year ended November 30,2020 , Walsh and its associated companies had combined ADJUSTED Aggregate Investment Income of $49,000 and Taxable Capital Employed in Canada totalling 1,900,000. Required: Determine the following showing ALL calculations, provide explanations of decisions where necessary: A. The refundable portion of Part I Tax Payable at year end. B. Part IV Tax Payable for the year ended November 2021