Which statement is correct regarding the function in R$?$

say.hello $<-$ FUNCTION$()$

$\{$

$$ print$($Hello World!$)$

$\}$

Question $8$ options:

After executing the say.hello function, the user will see an error message on the computer screen, because the keyword function should be in lower case.

After executing the say.hello function, the user will see the message, Hello World!, on the computer screen.

After executing the say.hello function, the user will see an error message on the computer screen, because the print function was used incorrectly.

After executing the say.hello function, the user will see an error message on the computer screen, because say.hello is an invalid function name.