The text quotes conventional business wisdom as saying that financial plans don't work, but financial planning does. What does that mean?

Multiple choice question.

Because financial plans are forecasts, they seldom happen as foreseen, but they allow the firm to practically run itself.

Financial plans work well, but are difficult to create.

Because financial plans are forecasts, they seldom happen as foreseen, but they make the job of the financial manager easier.

Because financial plans are forecasts, they seldom happen as foreseen, but they allow managers to examine goals and prioritize.