I have the following ads 1.A sponsorship ad at priority 4 and frequency capped at 5 per day (which it has reached) 2.A sponsorship ad at priority 10 and booked for 75% of daily volume, of which it has only 68% 3.A standard normal ad at priority 8 that is booked for 15,000 impressions but has only delivered 13,000 and ends its campaign in 2 months 4.A standard normal ad at priority 8 that is booked for 12,000 impressions, has only delivered 11,000 and ends its campaign in 1 week Which will Ad Manager serve first and why?