Which of the following involves getting someone to commit to a seemingly attractive proposition before its hidden costs are revealed

A)  highball technique
B)  door-in-the-face technique 
C)  lowball technique
D)  foot-in-the-door technique

Lowball Technique

A persuasion tactic where an initially favorable offer is made, then terms are unfavorably changed, relying on commitment to secure agreement.

Highball Technique

A persuasive strategy where an initial, excessively high request is made, knowing it will likely be rejected, in order to make a subsequent, smaller request seem more reasonable.

Proposition

A statement or assertion that expresses a judgment or opinion.