Last period, 42,005 customers bought muffins at least once from Mina's Muffins. A trade association reports that 135,604 customers bought muffins from any vendor, and says that there are 296,981 potential customers for muffins in the market area. Calculate penetration share for Mina's Muffins. Report your answer as a percent. Round to the nearest tenth of a percent. Report 25.5%, for example, as "25.5".

MARKETING METRICS IS THE SUBJECT OF THE QUESTION.