Martin Doyle is 43 years old and employed in construction work by a large public company. His Salary for the Tax Year was $104,750. Martin's employer withheld the following amounts from his salary: Other Information: 1. Martin's spouse is Linda Doyle. Linda is 42 years old and she has no income. 2. Martin and Linda adopted a two young brothers from a war torn country 8 years ago. Information on these brothers for the current tax year is as follows: David is 15 years old, in good health, and has income from part time jobs of $1,500. Derek is 22 years old and attends university on a full-time basis for 8 months of the year. Martin pays his tuition fees of $14,300, along with textbook costs of $1,200. He lives with Martin and Linda and is in good health. He has self-employed income of $5,500. 3. The family's medical expenses for the tax year, all of which were paid by Martin, were as follows: Required: A. Determine Martin's Taxable Income and Tax Liability (Iax Pavable) before Tax Credits. Derek is 22 years old and attends university on a full-time basis for 8 months of the year. Martin pays his tuition fees of $14,300, along with textbook costs of $1,200. He lives with Martin and Linda and is in good health. He has self-employed income of $5,500. 3. The family's medical expenses for the tax year, all of which were paid by Martin, were as follows: Required: A. Determine Martin's Taxable Income and Tax Liability (Tax Payable) before Tax Credits. B. Determine Martin's maximum Tax Credits available. C. Determine Martin's Federal income tax balance owing or refund