# Yearly Sales Comparison
## Reporting - Advanced
In this screen you can **compare the sales totals** of two different years month by month. You can use the **date filter** to select the years to be displayed.
The comparison can be displayed in a graphical table using the **Graphical View** button.
The  button allows you to perform several actions on the **current report**:
*  Export as CSV.
*  Export as PDF.
*  Send by email as PDF attachment.
*  Print in A4 format using the Google Cloud Print service.
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://factorypos.gitbook.io/pos-r4-en/main-screen/reporting/yearly-sales-comparison.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.