Answer:S 610
Explanation:
To get a return of 10% of sales price is to have a profit of S85 which is 10% of S850.
Handling cost per unit S6000/6000 unit=S1
Other handling cost per unit S59
Raw materials per unit=S95
Target conversations and administrative cost is
850-X-60-95=85
850-X-155=85
-X=85+155-850
-X=-610
X=610