MOT Hassle advice please

[Caskin]

The following were the advisories on this years MOT,

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
Nearside Rear Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
Offside Rear Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
Offside Front Play in steering rack inner joint(s) ()not resulting in excessive movement.



How difficult is it to change suspension bushes? Can the steering rack wear be rectified by adjustment etc>> Thanks in advance