Hello, I need help with questions 3 and 4, and can you please explain the way you found the answer? Thank you!

3) Determine the net income of a company for which the following information is available for the month of July. Employee salaries expense Interest expense Rent expense Consulting revenue $ 180,000 10,000 20,000 400.000 A) $190,000 B) $210,000. C) $230,000 D) $400,000 E) $610,000 4) Determine the net income of a company for which the following information is available for the month of September. Service revenue Rent expense Utilities expense Salaries expense $ 300,000 48,000 3,200 81,000 A) $263,800. B) $432,200. C) $171,000. D) $167,800. E) $252,000