This question is about guidewire Which three statements are true about creating new custom subtypes? $($Choose three$)($Choose all correct answers$)$ Entities marked as final cannot have subtypes. A custom subtype entity must be final. Only out$-$of$-$the$-$box entities can be subtyped. A custom subtype entity cannot have an ETX file. A custom subtype entity is defined in a TTI file. A custom subtype entity is defined in an ETI file.