A speculator buys a put option with a strike of $40 for $2.46. The stock is currently priced at $40.66 and moves to $42.61 on the expiration date. What is the speculator's profit or loss per share? (Do not ignore the premium paid.)

A speculator sells a call option with a strike of $25 for $2.24. The stock is currently priced at $23.84 and moves to $27.46 on the expiration date. What is the speculator's (i.e., the call seller's) profit or loss per share? (Do not ignore the premium collected.)

A speculator sells a put option with a strike of $35 for $2.44. The stock is currently priced at $35.62 and moves to $32.13 on the expiration date. What is the speculator's (i.e., the call seller's) profit or loss per share? (Do not ignore the premium collected.)