Advertising optimization in Google Ads

After optimizing the advertising campaigns for the next month compared to the previous:
Sales increased by 92.31%.
The transaction rate increased by 84.52%.
Income increased by 105.84%

At the same time, in statistics, we can see that the advertising costs have almost not changed, that is, for the same budget we received profits twice as much.

Context Advertising
by GoogleAdWords
by GoogleAds
The Advertising
The cargo
Googles Shopping
by GoogleMerchantCenter
Targeted advertising
#Remarketing
The analytics