22.3. Assume a two-factor model for next year’s profits of ExxonMobil. The factors are one-year futures prices for oil and one-year futures prices for the US$/€ exchange rate. The relevant factor equation is Assume that each one-year oil futures contract purchased has the factor equation Each one-year futures contract on the US$/€

exchange rate has the factor equation If ExxonMobil wants to reduce its exposure to the two risk factors in half, how can it accomplish this by buying or selling futures contracts?