For a Given Seller, the Accompanying Figure Shows the Relationship

Multiple Choice

For a given seller, the accompanying figure shows the relationship between the number of units produced and the opportunity cost of producing an additional unit of output. As the market price of this good increases, the quantity produced by this seller will ________.

A) increase
B) decrease
C) stay the same
D) stay the same until the price rises above $6 per unit, and then it will increase