A Consumer Goes to Purchase a TV Advertised for $300

Multiple Choice

A consumer goes to purchase a TV advertised for $300.As he is checking out,the clerk gives him a form for a $20 rebate for the TV.He fills out the form and receives the rebate in three months.One can infer that the consumer had

A) a reservation price of at least $300 but jumped the hurdle anyway.
B) a reservation price of at most $280.
C) a reservation price of exactly $300.
D) a reservation price of at least $280.
E) obviously not done enough research on the price of the TV.