Problem 23.1 For each of the following situations, decide whether a contract has been made. Give your reasons. An auctioneer says, "Do I hear a bid for this antique sofa?" Someone in the crowd says, "$300."

b. Yukiko says to Basil, "I'm going to sell my car for $500." Basil replies, "All right, here is the money. I'll take it."

c. The citizens of a small town collect $1,000 and offer it as a reward for the capture of a suspected criminal. The sheriff captures the suspect and seeks the reward.

d. Megan's father promises to pay her $1,000 when she turns 18. On her eighteenth birthday, she seeks the money.

e. Standing at one end of a long bridge, Shelly says to Lynn, "I'll give you $s if you walk across the bridge." Lynn says nothing but starts walking across the bridge.

f. Liz offers Sharon $100 to steal four hubcaps for her new sports car. Sharon steals the hubcaps from a car dealership, brings them to Liz, and asks for the money.​