Write the next sentence in the following story.

How to buy firearms online legally
Compare different sites.
There are a lot of sites set up in order to help you find the lowest price on a firearm.
Make sure the site you choose is an authorized ffl dealer.

Choose your answer from:
(1). Determine what range of ammunition you want (mp44, unloaded, nubuck , 10-40). Make sure that the site uses pnr when photographing..
(2). Ffl dealers are expected to have credentials that might help you run the business. Ask people at the site where you're buying them..
(3). Authorized ffl dealers aren't official licensed by the government, so they might as well not be allowed in your area. Dealers are also not protected by the federal government..
(4). Once there, compare your options, choose the gun that you want, and add it to your cart. After entering your payment and shipping info, email a copy of your local firearms dealer's ffl... The answer should be
(4).