Answer:
Customer-segment pricing
Step-by-step explanation:
Customer-segment pricing is a form where the price of the product is grounded on the segment of the customer. It is the segmentation of the price, where the different prices are charged to different people for the similar or the same service or the product.
In this case, the gallery has a different admission prices for seniors, adults and students and they are entitled to have a same service, this form of the pricing is known as the customer pricing segment.