The current spot rate of Singapore dollar (SGD) is 0.50 USD/SGD. You bought a six-month European put option on SGD which has strike price of 0.55 USD/SGD and a premium 0.01 USD/SGD. Each put option contract trades 1,000,000 Singapore Dollars. Calculate your gain/loss in the put option contract if the market exchange rate turns out to be 0.52 USD/SGD on the contract maturity date.

A. 20,000 USD gain.

B. 10,000 USD loss.

C. 40,000 USD gain.

D. 10,000 USD gain.