Les enters into a contract with Ed to purchase a one of a kind, purple and gold tiger striped Lamborghini Diablo. Ed$,$ who enjoys driving the car around campus on game decides not to sell the car, and Les asks a court to order Ed to perform promised. Ordering a party to perform what was promised is:

Select one:

a$.$ rescission.

b$.$ specific performance.

c$.$ beyond the court's authority.

d$.$ damages.