Answer:
The truth about the activities of Metallgesellscraft's hedging was:
b. I, II, IV.
Explanation:
Hedging financial risks involve the strategic use of financial instruments to offset the risk of any adverse price movements. Hedging provides security traders and investors the means to mitigate market risk and volatility and minimize future financial loss. The stacked hedge, in which the most nearby and liquid contract is used and then rolled over to the next-to-nearest contract as time passes, works when the markets are in backwardation (lower forward price than the spot price) and not in contango (higher forward price than the spot price).