Apositioning strategy can communicate the firm's or the product's the unique value that a product or service provides to its customers, and how it is better than and different form those of competitors.

A positioning strategy can help communicate the firm's or the product's benefits, the unique value that a product or service provides to its customers, and how it is better than and different form those of competitors. The positioning strategy describes how customers think about a product, service, or brand in the market relative to competitors' offerings. Firms position their products and services according to several criteria.

The answer is c) it has a lower cost to attend