Which of the following are some of the more common reasons for failure of marketing plan that are controllable?

Question $5$Select one:

a$.$

Lack of an adequate situation analysis.

cross out

b$.$

Unanticipated competitive moves, product deficiencies, and acts of nature or catastrophe.

cross out

c$.$

Unrealistic goals.

cross out

d$.$

These are all considered reasons of failure which are controllable.