Kat wants a new laptop. She asks her parents to buy a $2,500 laptop. When they refuse, she suggests that they buy her a used laptop for $500, which they do. By starting out with a higher-priced item, knowingher parents will think the lower priced item is a more reasonable request, Kat is using the ________ strategy to get her parents to buy hera laptop.

a.informational influence
b.door-in-the-face
c.foot-in-the-door
d.lowballing