Depot plates may be used during normal business hours to transport which of the following?

Depot plates are special license plates that allow dealers to operate vehicles for certain purposes without needing to register each vehicle individually. These plates are particularly used for transporting vehicles that are part of the dealer's inventory during normal business hours.

When it comes to the use of depot plates, they can be applied to all types of vehicles including new vehicles, leased vehicles, and used vehicles owned by the dealer or in inventory. This flexibility is what makes depot plates advantageous for dealers, allowing them to move any vehicle they may be offering for sale or demonstration purposes. Therefore, the correct answer reflects that all categories of vehicles can be transported using depot plates, making them a key resource for vehicle dealers in managing their business operations effectively.