Liam wants to get an MBA from a top business school. He graduated from college several years ago, where he majored in engineering and earned a solid grade point average. After working as an engineer, he has decided he wants to move into management with a focus on strategy. Gaining entry to a highly competitive graduate program will require an excellent GMAT score. Liam decides to take the GMAT in October. To achieve this objective, Liam has decided to use management by objectives (MBO).

A. After studying for a month, Liam takes a practice test and scores 40 points higher than he did on his first practice test.

B. Liam will spend one hour each weeknight and three hours every Saturday and Sunday studying GMAT practice questions.

C. Liam takes the test in October and scores a 720. He goes out to his favorite restaurant to celebrate.

D. Based on the average test scores of students at his target schools, Liam decides he wants to earn a 710 on the GMAT.