Last St. Patrick's Day a BUS 320Legal Scholar, who shall remain nameless, left his treasured Kelly green St. Patrick's Day hat in our classroom.His ever-so-kind, considerate and caring Business Law professor found the hat and kept it for safekeeping.The Legal Scholar, desperate for his St. Patrick's Day hat, posted a $100.00 reward for its return.What type of contract has the Legal Scholar proposed?

a.Unilateral.

b.Reciprocal.

c.Implied-in-fact.

d.Bilateral.