Answer:
I believe that your question is missing a couple of options. I searched for similar questions and they all included the one option I am looking for (see attached image):
If the budget is continuously updated, checked and revised every quarter, and the company's tax year ends December 31, then the next first quarter is going to be January - March. This means that at the end of March, the budget will be revised and updated, and these changes will apply to the following year which stars on April 2017 and ends on March 2018.
The correct option would be:
- April 2017 to march 2018.
In order for option A to be correct, the company's tax year should end on October. For option B to be correct, the tax year should end on November. Finally, for C to be correct, the tax yer should end on August.