Contributions on Different Days and Preferred Returns

If a group of investors is supposed to receive the same rate of return, how do you calculate that if not everyone made their contribution on the same day?
While there are a bunch of ways to answer that, most of them are really ugly; this one is not.

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[penwille]

Hi Joshua, I always enjoy your modeling walkthroughs! I see many acquisitions-related models however not many on asset management, I would love to hear more on your thoughts, see your process on management.