Suppose that the market for window cleaners is in equilibrium at a wage of $16. If window cleaning becomes safer: Select one: a. the demand for window cleaners will increase, causing the equilibrium wage to rise above $16. b. the supply of window cleaners will decrease, causing the equilibrium wage to fall below $16. c. the demand for window cleaners will decrease, causing the equilibrium wage to fall below $16. d. the supply of window cleaners will increase, causing the equilibrium wage to fall below $16