Welcome to the Shopify Community, and I'd be more than happy to help.
You mentioned you were having trouble reaching support, while I am more than happy to help you out here, if you need to speak about your account in detail then you can reach our live agents at this link here. Simply type your query into the "ask about a topic" bar, then hit continue to support to access.
In regard to shipping and reporting, what type of report is your accountant looking for, are they looking for a report which outlines all sales and expenses pertaining to Shipping? Is that correct? The more information you can give me the better.
Aside from the above, is this your first store? If so, I have some helpful links below to help you out which are worth bookmarking:
Please let me know if you have anything else you want to ask!
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