Ahmad works for GJU, his yearly salary for 2020 was 40,000. He is married with 4 children. He paid 2,000 for each child for school. He paid 5,000 for rent and 600 medical expense for his wife. Ahmad also owns a bookstore and the results for its operations for 2020 was 15,000 profit. Required: Determine the personal and family exemptions, taxable income, and tax liability for 2020. (5 Points)