Difference between what and whatever

[Joe]

Test No. errors/elem-6 "Stop making plans", question 4

I really don't mind at all because the choice is yours and you can do which you like.

(a) don't mind
(b) yours
(c) which

Test No. errors/elem-6 "Stop making plans", answer 4

I really don't mind at all because the choice is yours and you can do what you like.

Correct entry: what
The error was: (c) which

You have found the error but your entry is incorrect.
I really don't mind at all because the choice is yours and you can do whatever you like.
_________________________

hi there,

why isn't 'whatever' acceptable here?

so what's the difference between 'do what you like' and ' do whatever you like' ?

thanks a lot.

[Torsten]

Hi Joe,

You are right, both - what and whatever are acceptable in this sentence and we'll make the changes.
Thanks for your support.

TOEIC listening, photographs: A man running under his umbrella