Riddle-2

I,shreekanth,Manoj,Santhosh went to sp road.

Shreekanth had 940Rs in his pocket.

I had 220Rs in my pocket.Kiran gave me 200Rs to buy keyboard. 

Shivraj gave me 100Rs to buy one usb ext and 2 dvds.

So I had total of 520Rs in my pocket.

Gopal wanted one usb hub and Steven needed one keyboard.

Gopal and Steven didnt give money in advance. 

I paid 48Rs for bus fair.

I gave my one USB hub of cost 100 to Shreekanth.

I bought one more hub for Gopal(100Rs).

At first shop Shreekanth bought one speaker for 300 and he paid it.

At the 2nd shop Shreekanth paid 500 for 2Keyboard(160 each+5 each tax)+2 usb ext(25 each+4.25 rs tax each).

I gave Shreekanth 200Rs at that time.

Then he wanted to replace speaker with pendrive by paying 140 extra by own.

I withdraw 500Rs from ATM.

I paid 400Rs for Shreekanth's new speaker.

I bought 2 dvd's for 50 for Shivraj.

Shreekanth & I bought 10 dvd's for total of 120. I paid 20 Rs,he paid 100 Rs.

Then we went into a hotel.

I and Shreekanth took masala dosa each costing 25Rs.

Santhosh took idli for 15Rs.I paid them all.

We returned. At that time I paid 48Rs.Manoj paid me 25.

Now Shreekanth has 210 in his pocket.

I have 134Rs in my pocket.

Now Shreekanth claims that he has 100Rs less. where is that 100Rs...?