Completely off the top of my head, I think the annual reports said $9.8 million spent on IT and they implemented Oracle Cloud ERP. Spreadsheets are long gone.
Even Oracle cite A2 customer case study. Have a read, it has more detail than A2 would disclose.
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In April 2021, a2 Milk standardized worldwide on several Oracle Cloud applications: Oracle Cloud ERP’s accounts payable, accounts receivable, general ledger, cash/collections management, and financial analytics modules; Oracle Cloud EPM’s financial consolidation and close module; and Oracle Cloud SCM’s procurement, inventory management, order management, and manufacturing modules. Later this year, the company plans to go live on Oracle Cloud EPM’s planning and budgeting module and Oracle Cloud ERP’s expenses module.“We’ve now got all data coming together in a single source, which means we can get information globally quickly—any information,” CFO Strauss says. “We never had that before. There are also benefits of controls. Because we’ve moved to global processes, I now know the processes in place in China are now the same as in the US and in Australia, which gives me a much easier sleep at night.”
Don't believe the BS that gets bandied around here, DYOR.