Which of the following scenarios is an example of setting an understandable performance goal?

Darla comes to work each day with a positive and friendly attitude that sets her up for success. Her attitude is an example of achieving the agreed-upon goals.
Darla comes to work each day with a positive and friendly attitude that sets her up for success. Her attitude is an example of achieving the agreed-upon goals.

Joaquin sets up a meeting time with his team leader when new goals are established to ask questions and clarify any issues he may have about the proposed goals.
Joaquin sets up a meeting time with his team leader when new goals are established to ask questions and clarify any issues he may have about the proposed goals.

Diontae knows that he is required to reply to 50 customer chats and 20 customer emails daily.
Diontae knows that he is required to reply to 50 customer chats and 20 customer emails daily.

Mirabella evaluates the attainability of each goal set for her by objectively looking it over for two weeks. If Mirabella believes she cannot reach the goal, she meets with her supervisor to modify it.