A three-month European put option with a strike of price $13 costs $0.4. The price of the underlying asset is $15.5. An investor forms a covered put strategy. Suppose that at maturity, the price of the underlying asset is $11. What is the profit/loss per share from this strategy? a. $-8.10 b. $-2.90 c. $2.90 d. $-4.90 e. $4.90