________ is an assumption that the decision variables must be either positive or zero

Full-service retailers generally have the lowest costs of all retail types

Indicate whether the statement is true or false

Utilities Inc decided to go public with an initial public offering. It sold securities, some of which were bought by James Jefferson. Six months later, James sold the shares he had purchased to Martha Graham and Mark Franco

Two years later, James bought back these shares from Martha and Mark and made a profit out of both transactions. Who is the issuer in this scenario? A) Utilities Inc. B) James Jefferson C) Martha Graham D) Mark Franco