Incremental trades are parts of A. marketing-mix models B. base and incremental volume model C. base Sales D. all of above?

the correct answer is A

regards

Thanks for invitation ..................... my answer is A

Answer is A.  marketing-mix models

Though I am not  a sales person , I guess it could be option D .

Thanks for the invitation. My answer is A

Thanks for the invite ............................a

Thanks for invitation, 

I do believe that the correct answer is "a".

__________A. marketing-mix models

_________Thanks for invitation

Thanks 

It is option A........

thanks