Final answer:
To deposit his lock-off unit week, Ronald should select the 'Reservation Requests' tab in the Guide Portal as it's likely related to managing bookings and reservations.
Step-by-step explanation:
Ronald would like to deposit his lock-off unit. To deposit the week from his account, the tab he should select in the Guide Portal is likely to be related to managing his accommodation or timeshare. While the question doesn't provide the exact terminology used in the Guide Portal, the logical choice would be D) Reservation Requests since this tab probably deals with managing booking and reservations which is where you would typically handle deposits for timeshare units. The options A) Local Weather and B) Dining Reservations are clearly unrelated, and C) Account Balance generally refers to financial information rather than specific actions related to reservations.