Answer:
d. Buy in-the-money calls on oranges
Explanation:
A call option is an option to buy a product or asset at a stated price at a later date. The risk of call option is capped at premium for buying the option. The best financial engineering strategy for Coolmist is to buy in the money calls on oranges. This gives Coolmist a right to buy oranges at predetermined price at a later date. This minimizes the risk of upward price strike of oranges.