What is the article-lām ruling in وَالْعَصْرِ?

Al-ʿAṣr and At-Takāthur: Applied Ghunnah, Madd, Lām and Waqf

• Solar lām, assimilated into ʿayn
• Lunar lām, pronounced clearly
• Lām must be dropped entirely
• Nūn-sākinah ikhfāʾ applies