Write the next sentence in the following story.

How to buy a used horse trailer
Consider your budget.
Budget is probably going to be the most limiting factor in buying a used horse trailer. How much you have to spend is going to narrow your choices.

pick from the following. (I) One more personal issue you must consider when making a selection of trailers is the overall cost. Be realistic in how much you can afford to spend. (II) Figure out what high efficiency and shocks you can afford. If you can only afford to use your money of little to no expense, the price you spend is probably more important than the weight of the trailer. (III) How many trailers do you need to cover more furniture in a trailer? Keep in mind in the first 8-10 years of ownership, you are expected to find a used trailer that is perhaps significantly cheaper than the kind of trailer you may need. When purchasing a trailer, consider the opportunities for the trailer, the situation, and the different business habits and lead. (IV) If budget is not a concern, then you can buy a horse trailer with all sorts of modern features such as dressing rooms, interior lighting, padded dividers and more. A lower budget might limit your choice to a horse trailer that is structurally sound, but not very attractive.. The answer should be
(IV)