Which of the Following Explains 'Purchasing

Multiple Choice

Which of the following explains 'purchasing? 

A)  The management of the company's indirect activities in such a way that the supply of all goods, services, capabilities and knowledge which are necessary for running, maintaining and managing the company's primary and support activities is secured under the most favourable conditions. 
B)  The management of the company's internal resources in such a way that the supply of all goods, services, capabilities and knowledge which are necessary for running, maintaining and managing the company's primary and support activities is secured under the most favourable conditions. 
C)  The management of the company's distribution channels in such a way that the distribution of good and services is secured under the most favourable conditions. 
D)  The management of the company's external resources in such a way that the supply of all goods, services, capabilities and knowledge which are necessary for running, maintaining and managing the company's primary and support activities is secured under the most favourable conditions.