Here is some updated info and estimation.
1) Automating the sales cycle. - Could you please what exactly you want to automate? Maybe you have some description of sales process you use now?
2) customisation of invoice and quote - Could you please send me visual description of template? In order to implement it in Bitrix2
3) add currency AED and Euro with a place for VAT - It's clear.
4) System configuration - could you please send list of employees and related roles?
5) Integration with email - what email system do you use now? Gmail,... etc..
6) Integration with website - could you please describe with your words how you see this integration? what is the purpose?
7) Integration with Google Analytics - The same, what information should be integrated? You want to integrate site with Google Analytics (show reports by countries, etc of visitors)
8) Price list functionality/ Product catalog - Can you please send your current price list, so that I can analyse it in details?
9) remote training on system usage - it's clear for me