so it's about half our business. >> reporter: no wonder at the paul reed smith plant in maryland wherern out 1,000 instruments a month the founder is watching the european market closely. >> if the exchange rate goes one way, we sell a lot more stuff. if it goes the other way, we sell less because it became more expensive in their country or became less expensive. >> reporter: you've seen that happen? >> god, yes, every day. >> reporter: this guitar which would sell for around $3,000 in the u.s. is being shipped to europe today. if the euro is strong and the economy is stable when it arrives, all is well. but if the euro gets devalued or the banks or the stocks are in trouble, this american-made product can find itself facing some real hurdles. the shop that wants to order it may be unable to get a loan for its inventory. therefore, the instrument never gets shipped. or the customer who wants to buy this guitar may find his money is worth so little he can't afford it. and if this drought in the marine stream continues pushing more businesses and more governments toward default on their