The Business Core consists of the following courses: ACCT238 Financial Accounting, ACCT240 Managerial Accounting, ECON 221/222 Micro / Macro Economics, FIN303 Principles of Finance, ITM209 Information Systems Mgt., MGMT227 Principles of Leading & Managing Organizations, MKCM202 Principles of Marketing, LSB327 Business Law & Ethics, MGMT365 Operations Management & LEAD400 Strategically Leading Organizations. Which one was easiest, and which one was the most difficult / high rigor?