An investor bought a call option for Brazilian real at an exercise price of $0.19. This option can be exercised only at expiration. Currently the spot rate for the Brazilian real is $0.21. The premium on this option is $0.02 At expiration, however, the spot rate of Brazilian real is $0.22. Calculate the profit/loss in percentage of the initial investment of the premium paid.

Group of answer choices

50 percent

-50 percent

25 percent

150 percent

-25 percent