Answer:
C. Sell 28,000,000 rubles
Step-by-step explanation:
By doing so, the company will immediately receive the amount equivalent in Canadian Dollars by selling 28 million rubles in forward and after 90 days when the invoice amount (28 million rubbles) is received from building the pipeline, will be used to netting of the forward contract.
In this way, company can hedge the currency exposure, and reduce the risk which can be generated from currency volatility.