Which of the following is exemplary of price discrimination?

An amusement park sells tickets to local residents Tuesday-Thursday for half the price that the regular entrance fee costs, and they charge visitors outside certain local zip codes full-price on the same days.

A Chinese restaurant is serving a special "set menu" banquet for 10 people and charges four families $210, $235, $250, and $275, respectively, on Wedensday night with all parties arriving between 6 and 7 PM.

A family restaurant offers diners the same chicken dinner for $5.99 a person between 4:30 -5:30 PM and prices it at $7.49 anytime after 5:30.

A clothing store will mark down items on Wednesday and agrees to hold three items for a customer on Tuesday night and ring them up first thing in the morning at the lower price.

An office supply store advertises notebooks that normally cost $1.39 a piece will be $.19 each, with a limit of 8 per person, in the week before school starts.