4.Sheila Schleif, CFA, is an equity analyst at an investment bank. Schleif uses a data-driven computer model in making her stock recommendations. Schleif discovers the model contains a coding error. If the coding error were corrected, her most recent buy recommendation would change to a sell. Schlief corrects the coding error, issues a bank-wide revision of her recommendation changing the buy to a sell, and then forwards the revision to all bank clients who received the initial recommendation. Concerning her actions related to the coding error, Schlief most likely violated which of the following CFA Institute Standards of Professional Conduct?
A:

A.Fair Dealing.
B:B.Priority of Transactions.

C:C.Diligence and Reasonable Basis.