Brennan, a developer, ran an advertisement offering a $$20,000$ reward for information leading to the arrest and conviction of the vandals who destroyed a new multipurpose building on a construction site. Leslie, a local waiter, overheard a relevant conversation at the restaurant and provided the information. Brennan paid the money. What type of contract is exemplified? Select two of the following categories.

$$

Quasi

$$

Implied

$$

Executed

$$

Unilateral