Which of the following statements is/are correct? A. Taxes can be levied on only two bases: income and consumption. B. The most important tax source in South Africa in 2014/15 was personal income tax. C. When the average tax rate increases as the income tax base increases, the tax rate structure is progressive. D. Direct taxes such as a tax on fuel cannot be shifted that easily.
use the ad-sras-lras diagram to describe the transition of the macroeconomics from the short to long run
If Z = f(x, y) is a multivariable function then state the necessary and sufficient conditions
of Maxima and Minima.