Participants will receive scholarships and be recognized internally.
The brand expects food costs to rise at 3-4 times the normal level.
The restaurant said it refuses to become "the vaccination police for any government."
The automated system can fulfill orders in three minutes or less.
Checks under $5 and those over $5 are both fueling sales increases.
The chain thinks it will cross 1,000 stores in the next three years.
CEO says well-known $5.99 and $7.99 deals are 'not sacred.'