The following table gives quantity of various items used by a restaurant during four months of the year (In kg.)

Food Item	March	April	May	June
A	220	180	270	320
B	255	320	390	420
C	280	295	280	315
D	350	310	250	280
E	308	340	350	365

The quantity of E used in the month of March is what percentage of the total quantity of food items used in the May?