Arrange the following three-dimensional objects in the descending order of their volumes:

1. A cuboid with dimensions $10$ cm, $8$ cm and $6$ cm
2. A cube of side $8$ cm
3. A cylinder with base radius $7$ cm and height $7$ cm
4. A sphere of radius $7$ cm
1. (i), (ii), (iii), (iv)
2. (ii), (i), (iv), (iii)
3. (iii), (ii), (i), (iv)
4. (iv), (iii), (ii), (i)