Final answer:
Beatrice can add Trading Power Protection to her vacation reservation, but the cost may vary. She should contact the agency or company to determine the exact cost.
Step-by-step explanation:
Beatrice can add Trading Power Protection to her vacation reservation. The cost of this protection may vary depending on the travel agency or vacation rental company she booked with.
Typically, Trading Power Protection is an optional add-on that provides flexibility and allows customers to modify or cancel their reservation without penalty if unforeseen circumstances arise. To determine the exact cost of adding Trading Power Protection to her vacation, Beatrice should directly contact the agency or company she made her reservation with.