Answer:
A. the science and art of how individuals and businesses raise, allocate, and invest money
Step-by-step explanation:
The easiest way to see this is to know why the other options are not the best one. The answer b refers to a little part of finance and it is the study of bussines transactions but it doesn't refers to the vast goals of finance
The answer c is not accurate because it also refers to a little part of finance and it is how the transactions occurs with merchandise.
The answer d is the natural definition of economy so it also is not accurate for finance