Question

what is selling cost of perfect competition​

Answer 1

$\huge \mathfrak \red{answer}$

In economics, perfect competition is a type of market form in which there are many companies that sell the same product or service and no one has enough market power to be able to set prices on the product or service without losing business.

☺

Answer 2

There is no selling cost of any firm in perfect competition instead all selling cost is incurred by industry