(Figure: Market for Logs) a Quota of 10,000 Logs Forest

(Figure: Market for Logs) A quota of 10,000 logs forest wood per month is placed in the market that is shown in the figure. Sellers are willing to sell the quantity limited by the quota as long as the price is at least:

A) $20,000
B) $21,000
C) $17,000
D) $19,000