Lee Manufacturing, LLC (LM) of Ontario offers to hire Hung to replace Veronica who has provided LM with a months notice of intent to quit. LM gives Hung a week to decide whether to accept. Two days later, Veronica decides not to quit and signs an employment contract with LM for another year. The next day Veronica tells Hung of the new contract. Hung immediately e-mails a formal letter of acceptance to LM. What law(s) apply ?