Mr. Donald James is a very successful executive with a Canadian public company. During 2021, he had net and taxable income of $96,000, all of which was employment income. The following independent Cases make assumptions with respect to Donald's marital status and number of dependants, as well as provides other information that is relevant to the determination of his 2021 Federal income tax payable. In all cases, his employer withholds the required El premiums and CPP contributions. Assume that part of the CPP contribution of $290 has been properly considered in the determination of net and taxable income. Case A - Donald is married to Sandra James. Sandra has net income of $5,785. Donald and Sandra have two children who are both in good health, Jane is 10 years old and Garret is 8 years old. Neither child has any net income. The family's eligible medical expenses were as follows: Donald Sandra Jane Garret Total $ 800 1,200 4.600 3.700 $10.300 Case B- Donald has never been married and has no dependants. He is being treated by a psychologist for post traumatic stress disorder, but it is not severe enough to obtain a doctor's certificate for the disability tax credit. During the year he won $100,000 in the provincial lottery. He donates the entire amount to Planned Parenthood, a registered Canadian charity. For 2021, he claims only $45,000 of the total donation Donald also makes contributions to a federal political party in the amount of $1,200. Required: In each Case, calculate Donald's minimum 2021 Federal income tax payable. Indicate any carry forwards available to him and his dependants and the carry forward provisions. Ignore any tax amounts that Donald might have had withheld or that might have been paid by instalments