What is the effect of the following events on the demand for Xbox One games and the quantity of Xbox One games demanded, other things remaining the same? The events are A. The prices of a PS 4 and a Wii Upper U fall The prices of a PS4 and a Wii U fall. B. Consumers' incomes increase Consumers' incomes increase. C. The expected future price of an XBox One game falls The expected future price of an XBox One game falls. D. Upper A new game console comes onto the market comma which is a close substitute for XBox One A new game console comes onto the market, which is a close substitute for XBox One.