Janelle Is a Girl Guide Who Is Trying to Sell

Multiple Choice

Janelle is a Girl Guide who is trying to sell enough cookies to win a trip to Disney World. Her parents don't have the time to take her out selling cookies door-to-door, so they hire Tamara, Janelle's cousin who is studying psychology at Carleton University, to help Janelle after school for a few weeks while she's trying to sell the cookies. The good news for Janelle is that Tamara has recently learned about the psychology of persuasion.
-If a customer asks how many boxes Janelle has to sell to win the trip to Disney World,what would be the best statement to use to persuade them to buy the most boxes

A) "Seven hundred! Would you like to buy them all?"
B) "Seven hundred! So if you and your neighbours all help, I'll be most of the way there!"
C) "Seven hundred! Want to buy them all?! Just kidding. Maybe you could buy three?"
D) "Seven hundred! I don't think I'll ever get there though."