Phillips electric makes led lights. to move to market quickly, they did not worry about quality before shipping. they allowed easy returns and generous refunds during this period. as they gained experience with improving the manufacturing quality, the quality improved, and theya. saw no change in customer behavior. b. found that customers returned more to buy more lights. c. found that customer expectations were higher.

b. found that customers returned more to buy more lights

Explanation:

Based on the information provided within the question it can be said that they most likely found that customers returned more to buy more lights. This is because their products were liked at the beginning because they offered easy returns and a generous refund policy which gained the trust of the customers, and once the product quality improved the customers who already had faith in the product returned to continue buying more.