Cassie Is Joining a Yoga Studio Because New Memberships Are

Cassie is joining a yoga studio because new memberships are quite inexpensive. When the director explains the plan to her, Cassie discovers that there are added costs for workshops, mats, and a number of other things. Though Cassie would never have thought to sign up at the final price, she has become committed to the idea and does join the studio. The yoga studio has effectively used the ____________ to sell Cassie a membership.

A) foot-in-the-door technique
B) low-balling strategy
C) door-in-the-face technique
D) gradual acquiescence strategy