Roberto Sanchez, CFA, and Andreas Lopez, CFA, worked as financial analysts for OneWorld Analytics for years. While at OneWorld, Lopez created a highly complex financial valuation model with Sanchez making small contributions to its development. Recently, Lopez left OneWorld to start his own company using a simplified model he developed prior to joining OneWorld. Over a six-month period, he improves this software, duplicating features he used at OneWorld. His upgraded program produces predictions similar to the results of the OneWorld program. At OneWorld, Sanchez continues to use the complex model he and Lopez developed and attains superior results. Whose behavior most likely conforms to the CFA Institute Standards of Professional Conduct?
a. Lopez but not Sanchez
b. Sanchez but not Lopez
c. Both Lopez and Sanchez