Answer:
price of iPhones decreases
Explanation:
A decrease in price increases quantity demanded but does not increase demand.
iPhones and Android phones are substitute goods.
Substitute goods are goods that can be used in place of another good.
An increase in the price of androids increases the cost of androids. So, consumers would increases their demand for iPhones.
Because iPhone is assumed to be a normal good. An increase in the price of iPhones would increase the demand for the good.
Normal goods are goods that are goods whose demand increases when income increases and falls when income falls
Data plans and iPhones are complement goods.
Complementary goods are goods that are consumed togethe
A decrease in the price of data plans would increase the demand for iPhones.