Explain in words or use a graph to show how the demand/supply changes for NBA tickets. the Graph can be told by "it is positive" or "it is negative" ) and the change on the graph

(a) The price of beer in the stadium has increased.

(b) The Commissioner has decided to increase the regular season by 5 games.

(c) NBA players have decided to go on strike.

(d) The local team just traded for one of the top players in the league.

(e) The Superbowl was last weekend.