A sourcing strategy is essentially a business case for an organisation to determine an optimal approach to procure resources. AusMed which manufactures medical ventilators wants to procure a heating tube which is a critical component of humidification equipment. In comparison to the value of the ventilator, the heating tube cost less. Outline the steps involved in sourcing the heating tube? Discuss what sourcing strategy that AusMed needs to adopt while procuring a heating tube?