Select all that are true with respect to basic option payoffs $($at expiry, time T$)$:

Group of answer choices

For the owner, C $=$ Max $(0,$ S $$ K$)$

For the owner, P $=$ Max $(0,$ K $$ S$)$

The writer of a call option has theoretically unlimited liability with respect to its obligation on the option.

The writer of a put option has theoretically unlimited liability with respect to its obligation on the option.