What is the recommended dose of clopidogrel for patients undergoing primary angioplasty?

The recommended dose of clopidogrel for patients undergoing primary angioplasty is 75 mg daily for at least one year.
The recommended dose of clopidogrel for patients undergoing primary angioplasty is 300-600 mg as a loading dose.
The recommended dose of clopidogrel for patients undergoing primary angioplasty is 60 mg as a loading dose and 10 mg daily for maintenance.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) II and III are correct.