$18.$Assume that a disk has $1000$ tracks with each track having $64$ sectors and each sector is of size $512$ K$.$ A file having the name bcamca.txt is of size $16$ M$.$ Assume that disk has four free continuous clusters of $8$ sectors each. How can this file be given the space on the disk? Also show the content of FAT after the space allocation to this file. You may make suitable assumptions. You may assume the cluster size as $2$ sectors$,$ if needed.