The following table gives the subscription of different schemes of a Mutual Fund Company over the months. 

(Rupees in crores)

Months	Schemes					Total
	V	W	X	Y	Z
September	200	70	30	290	10	600
October	120	130	70	150	290	760
November	45	35	25	125	160	390
December	160	110	40	115	130	555
January	80	90	70	100	140	480
February	130	150	30	40	390	740

 What is the difference in the subscription of scheme X between December and February?