3. Given the following disk characteristics:

The size of each sector is 1KB (1,024 bytes). The number of sectors per track is 25. The number of tracks per platter surface is 500. The disk has 60 double-surfaced disk platters.

Please answer the following questions.

(i) Find the capacity of a disk platter. (ii) Find the number of cylinders in the disk. (iii) Find the capacity of a cylinder. (iv) Find the capacity of the disk.