I Space occupied by each department. Ii Average value of stock held by each department. Iii Departmental turnover. Iv Number of articles sold by each depart...

I Space occupied by each department.

Ii Average value of stock held by each department.

Iii Departmental turnover.

Iv Number of articles sold by each department .

From the information above, the two most logical bases for apportioning expenses that are common to departments are?