Acer has released a report in which it puts its January 2019 revenues at about US$540,000. These figures have decreased by 23.7% compared to December 2018 and by 1.3% compared to December 2019. The company has cited the ongoing effects of the SoC shortage in explaining these changes.
https://www.notebookcheck.net/Acer-has-announced-its-financial-report-for-January-2019.409291.0.html
Sanity check: $540,000 revenue means they sold only 1000 x $540 computers world wide? There are more than a thousand BestBuy stores just in the US.
A Billion is 1e9, not 1e6.
NT$16.66e9 / 30.86 (NTD/USD) is about USD 540,000,000.