What is a market demand curve?
1 )
the demand for all of a country’s products
the total sum of individual demand curves for a product
3 )
the output of all the firms in an industry
4 )
the stocks of a particular good available for sale
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!