Monopolistically competitive firms achieve allocative efficiency but not productive efficiency

Frank's Burgers employs workers in a competitive market. It currently has 15 employees. The marginal revenue product of the 15th worker hired is $8.50 per hour. The market equilibrium wage is $10 per hour

Is this firm maximizing profit? Explain.

A bond with default risk will always have a ________ risk premium and an increase in its default risk will ________ the risk premium

A) positive; raise B) positive; lower C) negative; raise D) negative; lower