Why ROI?

Definitions of ROI:

1 Return on Investment: A performance measure used to evaluate the efficiency of an investment or to compare the efficiency of a number of different investments using the ratio of the gain or loss on an investment relative to the amount invested.
2: King (French)
3: One of our dogs, an Australian dingo


Le Roi, Leroi, or more commonly Leroy, a common name, comes from "Le Roi", "The King".