Microsoft has raised the prices of Office Home & Business 2019 and Office Professional 2019 to US$249.99 and $439.99 respectively. This is an approximate 10% hike compared to the corresponding Office 2016 suites.
https://www.notebookcheck.net/Microsoft-increases-prices-for-some-Office-2019-suites-by-about-10-each.350716.0.html