a)Using ademand/supply diagram, illustrate and explain the effects of the imposition of an export tax on a goodYby a home country's government on

(i)the Nigerian consumers ofY,

(ii)the Nigerian producers ofY, and

(iii) the Nigerian government's tax revenues.

Assume that Nigeria is a "small" country. Evaluate the "net welfare effect" of the tax.Why might a country want to impose an export tax?Explain.

(b)Suppose now that Nigeria is imposing export tax in part (a) of this question is a "large" country rather than a "small" country.Is it an advantage or a disadvantage for a country to be "large" rather than "small" when it imposes an export tax?Explain.