Which of the Following Is the Closest Example of Block

A popular restaurant chain,Grill n' Chill,offers its customers a 0.5% discount on a bill of $100-$200,a 1% discount on a bill of $201-$300,a 1.5% discount on a bill of $301-$400,and so on.Thus,customers enjoy a higher discount when they order more food.Which of the following forms of price discrimination is being practiced by this restaurant chain? A)Third-degree price discrimination B)Intertemporal price discrimination C)First-degree price discrimination D)Second-degree price discrimination