Exercise 3 - Education as a Signal For workers in Group H (highskill workers), the cost of attaining an educational level y is CH(y) = $103}; for workers in Group L (lowskill workers), the cost of attaining an educational level y is CL(y) = $153}. Employees Will be offered $60 if they have y 2 y*, where y" is an educational threshold determined by the employer. They will be offered $20 if they have y