The recent price per share of Win Big, Inc., is €50 per share. Verna Hillsborough buys 100 shares at €50. To protect against a fall in price, Hillsborough buys one put, covering 100 shares of Win Big, with a strike price of €40. The put premium is €1 per share. If Win Big closes at €45 per share at the expiration of the put and Hillsborough sells her shares at €45, Hillsborough’s profit from the stay/put is closest to:

a. −€1,100.

b. −€600.

c. €900.