21. Consider downward-sloping demand curve and upward-sloping supply curve and initial positive equilibrium price and quantity in the domestic market of good X. A student claims that the following events can result in a movement along the demand curve to the LEFT in the domestic market of good X. True or False? A) A foreign country agrees to sell a certain quantity of X at any price. [ Answer21A ] (T. True, F. False) B) Many sellers withdraw from the market of X (assuming this doesn't change the cost structure of producing X for the existing sellers). [ Answer21B ] (T. True, F. False) C) Rise in the price of inputs of producing X [ Answer21C ] (T. True, F. False) D) Increase in supply of X [ Answer21D ] (T. True, F. False)