Home Development Company (HDC) contracts with Stella to act as their agent to broker the purchase of approximately 100 acres of property owned by various individuals. HDC intends to build a planned residential community on the 100-acre site. Stella secretly buys 10 acres of the 100 acre property with her sister, Tina (who is the only named buyer). Tina then sells the 10 acres to HDC for a big profit. Stella's actions are: Group of answer choices