In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. My sister had a tough time (1)/removing the chewing gum that (2)/stuck with her hair.(3)/No Error (4)
_________ says that the marginal product of a factor input initially rises with its employment level. But after reaching a certain level of employment, it starts falling.
Calculate a country's GDP if for the year, consumer spending is $900 million, government spending is $250 million, investment by businesses is $180 million, exports are $85 million and imports are $100 million.