I take it that you are referring too cc
They will more than likely to ask you will the satins, wear, staples, blue tack. Come out? Be as candid as you can.
My questions
How often is vacuumed (remember it’s commercial so not a true vacuum just spotted
) when was it last cleaned (don’t believe them add a few years
) and by what method (that will give you a bit of insight)
Offer them a demo on the worst bit of it