Which of the following statements with respect to a firm's resources is TRUE?

A$.$ A firm's resource position will contribute to a competitive advantage if this position is sustainable $($that is$,$ the firm can depend on continued access to that resource$)$

B$.$ A resource can contribute to a competitive advantage if that resource has many substitutes

C$.$ Both A and $B$

D$.$ Neither A nor B

QUESTION $17$

The idea that healthcare can be managed can be traced back to:

A$.$ The understanding that diseases are not the result of supernatural forces

B$.$ The germ theory of disease

C$.$ The discovery for treating scurvy

D$.$ The discovery of the circulation of blood