a. is derived from demand for new building construction b. derived from demand for computer-assisted design software c. derived from demand for architectural education d. is itself the source of derived demand for commercial real estate e. has been increasing rapidly, partly due to increasing demand for new hospitals and health centers if an industrial union is able to negotiate a wage above the market-clearing wage, the non-union wage in other industries will: a. increase b. decrease c. increase, if union can restrict supply of labor d. increase, if union can increase supply of labor e. decrease due to strike-breaking activity of the firm