I referenced the article and the math seems fine. https://en.wikipedia.org/wiki/Victory_Tour_(The_Jacksons)#Ti...

Tour attendance: 2.5 million Only 1 in 10 purchases were honored, so purchase for 25 million tickets were attempted. $750 million in Money market at 7% for 6 to 8 weeks.

So, 6 to 8 million in interest depending on the weeks (6 to 8) in money market.