The professor did not know that Xia Xibei's situation was different from others.
Others had to spend many years developing such drugs, with who knows how many detours and stumbles to reach the goal.
It was said that the introduction of each effective drug included decades of work by many people.
Therefore, the price of these drugs must not be low after they were released.
Otherwise, how could they pay back the money?
People had been working hard for so many years, only to end up with no money back. What fool would do such a thing again?
The first person to do this kind of thing could be said to be a genius, the second to do so would be either a saint or a fool!
If there was no profit to be made, who would do this?!
So many drugs were sold at very high prices because it took at least a few years to earn back the cost, after which it would be profitable. This was the truth that everyone understood.