Answer:
Yes, Sarah is liable for the $5,000 bill since she ordered the supplies and signed the contract using her own name. 
She is responsible for the money owed to the medical supply facility, but if this purchase practice was common and happened before, she can also demand that the former partners pay her back. 
 
        
             
        
        
        
Answer:
The correct answer is A
Explanation:
Value network is the graphical illustration of the technical as well as social resources among the firms and how they are utilized. And the nodes in the value network states the people, which are connected or linked through the interactions which represent the deliverables.
So, the accurate statement is that it is a system of the alliances and the partnerships which firm creates to augment, deliver and source its offerings.
 
        
             
        
        
        
Sensitivity analysis. Where one variable is being tweaked a little to see the NPV, that is always sensitivity analysis.