A speculator purchases a put option on Treasury bond futures with a September delivery date with a strike price of 8400. The option has a premium of 1-00. Assume that the price of the futures contract decreases to 8100 on the expiration date and the option is exercised at that point (if it is feasible). What is the net gain? A) $4,000.00 B) $3,000.00 C) $2,000.00 D) $1,000.00