Final answer:
Hedging is a financial strategy used to protect against currency risk. Unit A is considering changing its financial structure to a mix of financing in dollars and pounds to hedge against the exposure to pound's appreciation.
Step-by-step explanation:
Hedging is a financial strategy used to protect against currency risk. In this case, Unit A is considering changing its financial structure to include a mix of financing in dollars and financing in pounds to hedge against the exposure to the pound's appreciation. By having a mix of financing in different currencies, Unit A can offset any potential losses caused by the pound appreciating, ensuring stability in its operations.