Answer:
The correct answer is the option A: Chemical analysis.
Step-by-step explanation:
To begin with, a chemical analysis consists in the study of chemical composition and structure of substances and it refers to the field of chemistry as its name indicates so therefore that it does not implicate the allocation of joint costs as all of the other methods. Moreover, this type of analysis is considered to be the principal basis technique by which every chemical information is obtanied and there are also two main brances in it, the qualitative and quantitative analysis.