The police have charged Raj Khan, the President and Chief Operating Officer of CALLUS Inc., Carson Proudfoot, a senior sales representative employed by CALLUS Inc. who proposed Project H202021, and Lucinda D'Angelo, a consultant who works exclusively on Project H202021, with fraud over $5,000, contrary to the Criminal Code. Explain clearly whether each of these parties, Raj, Carson and Lucinda, would be considered representatives and senior officers of CALLUS Inc.