WEB, an investment-banking firm, is the principal underwriter for MTEX’s upcoming debenture issue. Lynn Black, CFA, is an analyst with WEB, and she learned from an employee in MTEX’s programming department that a serious problem was recently discovered in the software program of its major new product line. Infect, the problem is so bad that many customers have canceled their orders with MTEX. Black checked the debenture’s prospectus and found no mention of this development. The red herring prospectus already been distributed. According to the CFA Institute Standards Professional Conduct, Black’s best course of action is to: