Setting up base currency for individual store - WooCommerce

We run Woo commerce in a multi user environment – using Dokan theme. We offer our application internationally to users, to set up their stores, and manage their sales of eBay through our application. Thus our users need to be able to set a base currency of their own - for shop items and reports. This is not supported in woo commerce. We also require you to send us some documentation about your work to enable us to understand your work What we need: –set base currency per user – display shop items in base currency – create reports in the set base currency - documentation While adding this functionality, no other functionality is to be impaired. milestone plan: 20% for documentation, 20% for delivery, 60% after confirmation of error free delivery of solution through us