Sally goes to have her hair trimmed and agrees to pay $$40$ to the stylist. While there, Sally decides that she would also like highlights. The stylist informs her that highlights will cost an additional $$30.$ Sally agrees to the price, gets the highlights, but refuses to pay the extra amount. What is the likely result in a dispute between Sally and the stylist, and why?

Multiple Choice

The stylist will win because she did additional work in exchange for the extra payment; therefore, Sally's promise was supported by valid consideration.

The stylist will win because she did additional work in exchange for the extra payment; therefore, a valid unilateral contract existed.

The stylist will win unless Sally can show that she had previously received both a trim and highlights for $$40.$ If she can prove that she previously received both for $$40,$ the $$past expectations$$ rule applies.

Sally will win because the stylist had a preexisting duty to have her hair looking its finest.

Sally will win because there was no valid consideration given in exchange for the highlighting.