Under perfect competition market segmentation is not the best strategy to follow. I was asked if in that case it is best to charge a unique price to every customer. I dont believe this is best since this will nullify the concept of perfect competition. Which concepts should I review and apply?

let me try again.

Under perfect competition market segmentation is not the best strategy to follow. In that case is it best to charge a unique price to every customer? yes/no why?