Signaling Suppose that both employees and employers view GPA as a signal of quality. Suppose that with no effort, each earns a 2.7 GPA. The opportunity cost for a high-skilled worker to improve his/her GPA is $6,000 per 0.1 points. For a low-skilled worker, the opportunity cost to improve his/her GPA is $16,000 per 0.1 points. Suppose that high skilled workers will have lifetime earnings of $100,000 more than low-skilled workers. Is a separating equilibrium possible? Show your work