please help and post work for all parts.

a. 11.4 Great Forks Hospital reported net income for 2016 of $2.4 million on total revenues of $30 million. Depreciation expense totaled $1 million. What were total expenses for 2016? b. What were total cash expenses for 2016? (Hint: Assume that all expenses, except depreciation, were cash expenses.) What was the hospital's 2016 estimated cash flow? C