Each order is a contract. That is clearly understood. So, each order should show up separately on your credit or debit card statement but not so with Amazon.
So that Amazon can save a few pence on every transaction and millions overall, they combine transactions so that it is nearly impossible to check your statement to your order history.
WHAT THEY ARE DOING IS ILLEGAL
I am a Chartered Accountant and it took me a good 30 mins to sort out the mess.
Amazon are just cheapskates.
It is paramount that in order to not get overcharged, you check every transaction individually,……
Especially from Amazon