Which of the following is a form of invoice verification?

If variable costs decrease, and all other factors remain the same, the margin of safety will become larger

Indicate whether the statement is true or false

Nathan meets with his clients to provide advice on a variety of topics including retirement plans, investments, tax planning, and diversification

He develops trust in his clients by telling them he has studied over 100 relevant subjects and passed a 10-hour exam. What is Nathan's profession? A) investment banker B) financial planner C) insurance salesman D) certified financial planner E) stockbroker