Assume personal income was $30 million last year. Personal outlays were $10 million and personal current taxes were $6 million. (a) What was the amount of disposable personal income last year? Disposable personal income (DPI) million (b). What was the amount of personal saving last year? Personal savings (PS) million (c). Calculate personal saving as a percentage of disposable personal income. (Round answer to 1 decimal places, e.g. 527.5.) Savings rate %