Demand for hotel rooms has decreased.assume that hotel rooms are a cost to traveling motivational speakers.what determinant in the market for motivational speakers will change, all other things are equal? a.resource prices b.technology c.taxes and subsidies. given the change described above,what has taken place in the market for motivational speakers? a. supply decrease and quantity demanded increase b.supply increase and quantity supplied increase c. supply increase and quantity demanded increase. given the change described above,what will be the effect upon the equilibrium price and quantity? a. the change in equilibrium quantity is indeterminate while equilibrium price decrease b.equilibrium quantity increases and equilibrium price decreases c.equilibrium quantity decreases and equilibrium price decreases.