Solve step by step and select the correct answer

A company issued a 180-day bond with a face value of 100 USD . At the time of issuance the title was taken by investors at a price of 97 USD, the exchange rate was $ 19.50 pesos and at maturity it is $ 21.00 pesos. The nominal cost (annual) in MXN is:

a) 22.05%

b) 11.02%

c) 6.19%

d) 3.09%