Converting to electric start

I have a 2006 40 HP 4 stroke F40MLH with manual start. How expensive and difficult would it be to vonvert it to electric start?

[boats.net]

You would need everything on
http://www.boats.net/parts/search/Ya...TOR/parts.html
Number 1 -15 from
http://www.boats.net/parts/search/Ya...202/parts.html
Also need ignition switch, harness and neutral safety switch.

Thanks
Maybe next year...