‹ PB Principles of Business PB-A.1 Purpose › PB-A Introduction PB-A.1 Purpose PB-A.1.1 PB-A.1.2 PB-A.1.3 PB-A.2 Module history PB-A.2.1 PB-A.2.2 ‹ PB Principles of Business PB-A.1 Purpose ›