Last year, NYU ran their analytics report and discovered that 100% of student registrations were completed both online and offline, 25% of students' registrations was completed through an email campaign, 50% of students' registrations were completed with an academic advisor with 50% of the transactions happening through the NYU intranet, 40% was completed through NYU Course app, and there were 10% mailed in registrations as well. If the total revenue generated from students' registration was $500,000 for that year, what is the total revenue generated online? Explain your answer.