In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
______ European was seen eating Kadi Chawal in New Delhi.
The relation between the consumer’s optimal choice of the quantity of a good and its price is very important and this relation is called the ________ function.
The change in the optimal quantity of a good when its price changes and the consumer’s income is adjusted so that she can just buy the bundle that she was buying before the price change is called?