Respuesta :
The best option seems to be A) efficiency and practicality.
The Ethical behavior is conducting ones self in a way that is common with a certain set of values whether personal or institutional.
Answer: Option 'a' is correct.
Step-by-step explanation:
Believing that every problem has a solution is a part of " efficiency and practicality".
Because "Efficiency means one has the capacity to do that given task in a less time and with less cost".
Practicality means one who believe those things which is possible in real and whose nature is practical as well.
Hence, Option 'a' is correct.