cost? 2nd Anolog nub and button replaced

[Chi-kitory]

How much would it cost if i sent in my psp to someone to get another nub for the right side of the psp, plus a button change (color blue), plus a replaced face plate same color (black, i just got a scratch on mine).

could you put it like in a set by set?
like
buttons = $$
nub = $$
Plate = $$
shipping = $$

[FaT3oYCG]

buttons = £8
nub = £30 (negotiable)
plate = £10 (negotiable)
shipping = You find a courrier or ill use royal mail.