Microsoft are charging you more! You are paying for an extra 0.01.
Simples....tch
Mind you, I remember discussions with HMRC about reporting accuracy for working out duty we paid them (tobacco and ££££££££££). Some of their people ( younger generation) needed education in maths and stats. The older ones knew a lot more! We had an agreed method of calculations for decimal places but some couldn’t get their brains (?) to take it in.
Googles not Microsnot!

At face value the company seems unable to count which is a giggle considering it has been the first to show quantum computing where a one might be a one, but might not. Then again given the noise generated by the IT industry it may as well be a pink hippo riding a fridge.