Which critical factor must Mac, an entrepreneur, consider to select his suppliers?
A.
the assurance that the supplier will provide 100 percent original material
B.
the assurance that the supplier will always provide a flat discount rate regardless of the market condition
C.
the assurance that the supplier will be able to meet urgent and immediate demands at all times
D.
the assurance that Mac will earn customer loyalty by producing goods sold by the supplier
E.
the assurance that Mac’s business will expand every financial year