Management Accounting provides invaluable services to management in performing.

my choice is option no four

Accounting system that provides all of these services

My opinion Option 2. Controlling

Management Accounting provides invaluable services to management in performing.?

4. All of the above

2. Controlling mainly>>>>>>>>>>>>>>>>>>

the answer is 4 all of above ofcourse, so can't add more 

I suggest the answer is number 4. All of the above

thank you

i think choice -2 

Option 4 is the right answer.

I'm very confident that the correct answer is A. All management functions.

Many Thanks to all your contribution is so cherished for me..lots of benediction and boom for you all.