Which of the Following Is a Principle of a Guerilla

Which of the following is a principle of a guerilla marketing warfare?

A) Participate only if you are a market leader.
B) Use surprise. Too much research often wastes precious time.
C) Be prepared to "bug out" at a moment's notice.
D) Introduce new products and services before the competition does.
E) Launch the attack on as narrow a front as possible, preferably with single products.