Which analysis correctly explains both lams in فَلْتَعْبُدُوا رَبَّكُمْ لِيَغْفِرَ لَكُمْ ذُنُوبَكُمْ?

Lam al-Amr: Desired Actions

• Both are Lam Kay.
• The first is Lam al-Amr; the second is Lam Kay expressing purpose.
• Both are Lam al-Amr.
• The first is the answer-lam of لَوْ; the second is definite article.