A hard disk system has the following parameters:
Numberoftrack = 500
$$\frac{Numberof sectors}{track}$$ = 100
$$\frac{Numberof bytes}{sector}$$ = 500
Time taken by the head to move from one track to adjacent track = 1 ms
Rotation speed = 600 rpm
Whatis the average time taken for transferring 250 bytes from the disk?

A

300.5 ms

B

255.5 ms

C

255 ms

D

300 ms