Answer:
The companies in the perfect competition opt to lower prices that generates maximum profits using the price demand relation.
Step-by-step explanation:
The customers opt to products that are easy to access and are priced competitive which means the switching of customer to buy competitors in such markets are are very easy. Just take the example of Pepsi and Coke. The person who wants Coke would buy Pepse in instance if shopkeeper doesn't have Coke. This shows that the switching cost is very low and the price the competitor charges is almost the same. So this means that in such market the supplier would have to charge a price that brings higher sales to them every shopkeeper stores it in its shelve because it generate higher value for them too.