They go by many names: corporate cards, company cards, travel cards and purchase cards. Whatever you call them, American workers charged $140 billion on them last year.
And if you don't know how yours works, you could be responsible for that balance.
Plane tickets, hotel rooms, rental cars, office supplies, plumbing supplies, party supplies -- these are all things your company could ask you to charge. But beware: if you use a corporate credit card, there's a chance you could be stuck with the...Full Story