The 500k is the most important, non negotiable. For workation some consulates do also want to see income coming in, corresponding with invoices. I'd probably send 1 (with amounts corresponding to invoices highlighted) plus 3 with the 500k. I don't think 2 is important and might only confuse. In my case (London), I had both the invoices and the 500k in one Wise account, so that's what I gave them, with the invoices and the payments coming in highlighted.