If Mr. A earns N2.000 a year while Mr. B earns N8000 but Mr. A pays N200 in tax per annum while Mr. B pays N400, such tax is_______

Which of these is not usually the function of a wholesaler?

If the quantity demanded of a commodity increases from 20 to 30 when there is an increase in price from N4 to N5, the elasticity of deman is_______

By utility we mean________

The study of economics IS Important to every society because it______