in my Youtube Ads Campaign I achieved the following results:
I could get the CPA down by 29.4% only in 2nd month.
I could get the CPA down by 35% in the 4th month
While CPCs dropped as follows:
2nd month by 38% from 1st month
3rd Month by 41% from 2nd month
4th month by 1% from 3rd month
