You could let other member here know what the deductions were 'for', otherwise we can only guess
eBay Help is at the top of every page, but you will need luck to get an agent who gives you anything other than the 'someone will look into it and get back to you within 24-48 hours' scripted reply
Due you use eBay labels?
Do you use promotions?
Do you have higher fees due to below standard rating?
Anything in this thread that applies to you?
Solved: Why am I being charged an adjustment? - The eBay Community
Those are just some possibilities as to what they *might* be about
