please help me solve this correctly and show me the steps and what formula you used. someone solved this incorrectly and this is the second time to post!

A speculator is considering the purchase of Mexican Peso call options (contract size: Peso 500,000) with a strike price $0.06/Peso. The premium is $0.007/Peso. If the spot at expiration is $0.069/Peso, what is the speculator's profit? $1,000 gain $3,500 loss $4,500 gain $8,000 gain