Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coheren paragraph.
A) On behalf of the Department of Management Studies, I extend a heartfelt welcome to our distinguished keynote speaker, respected faculty members, and dear participants.
B) Before we move forward, let us observe a moment of silence to express our gratitude and reflect on the purpose of today's gathering.
C) Good afternoon to everyone present here today.
D) Today’s seminar aims to explore contemporary challenges and opportunities in sustainable business practices.