http://www.manhattangmat.com/forums/a-c ... t1002.html
when you post a PROBLEM STATEMENT, please take the extra 1-2 seconds to type out words like 'product', 'several' and 'positive' in full; not only are 'prdt', '+ve', and 'sev' difficult to read, but they also make your post essentially impossible to find with the search box.
thank you.