What is the average cost per hundred items for all the given companies ?

A

Rs. 4666 $$\frac{2}{3}$$

B

Rs. 4283 $$\frac{1}{3}$$

C

Rs. 4333 $$\frac{2}{3}$$

D

Rs. 4333 $$\frac{1}{3}$$

E

None of these