Write the next sentence in the following story.

How to sell a mattress
Look up local laws regarding the sale of used mattresses.
Laws regarding the sale of used mattresses and bedding vary by state or municipality. In many areas, used mattresses must be sterilized using approved methods and appropriately labeled before they can be resold.

OPT: (a). Your county courthouse may have a list of government agencies that deal with similar merchandise sold to you. In addition to public law violations, federal and state laws and regulations prohibit secondhand goods (including mattresses, furniture, and bedding) from being sold commercially, including mattresses.. (b). While these laws mostly apply to third-party sellers, such as furniture stores and consignment shops, it is important to familiarize yourself with the law in your area before you attempt to sell a mattress. Do an online search, using terms like " legal to sell used mattress in [my state].. (c). Additionally, dpvs often use the name of the location to search for mattresses in extremely large containers and when they need to be sorted through the resulting paperwork. In the united states, every state has its own law regarding whether their stolen mattresses must be examined separately from their used mattresses.. (d). Stores such as department stores, private bank businesses, and classified ads can sometimes offer a generic mattress mattress price that you will feel comfortable saving. Prices to have on a mattress are usually less than $100 per loaf... The answer should be
(b).