(Table: Lunch) Use Table: Lunch.This table shows market demand for picnic lunches for people taking all-day rafting trips on the river.Suppose that the marginal cost and average cost of each lunch are a constant $4 for all firms in the market.If Joe owns one of many firms in a competitive industry,what price will he charge for a lunch in the long run?

A) $10
B) $8
C) $6
D) $4

Competitive Industry

An industry characterized by a large number of firms competing against each other, leading to innovation, varied product choices, and reasonable prices for consumers.

Marginal Cost

The cost associated with producing one more unit of a product, reflecting how production costs change with output levels.

Average Cost

The total cost of production divided by the number of units produced, often used to calculate the cost per unit.