The answer is C. Their. The word "theie" is talking about more than one person and it's past tense
i uploaded a vid on this here
https://www.you tube.com/watch?v=dQw4w9WgXcQ
You forgot to put the topic................. there is no topic
A.
It lets the reader know what the stakes of the story are
The factor that contributed to this complexity was the difference between languages and currencies among Novartis participants.
<h3>What is Novartis?</h3>
- It is a health care company.
- It is a company that provides global service.
As an international company, Novartis must deal with a very large number of different languages and currencies. This makes invoice processing very complex as it must be provided according to the currency and language of its members, maintaining unity and harmony.
The difference in currencies is the main reason for the complexity of the invoices, it is already necessary that currency conversion is done constantly.
More information about currency conversion at the link:
brainly.com/question/12616640