Explain how the following factors will affect the demand for a commodity X: (a) a decrease in the price of a implement Y; [5 marks] (b) an increase in consu...

Explain how the following factors will affect the demand for a commodity X:

(a) a decrease in the price of a implement Y; [5 marks]

(b) an increase in consumers' disposable income; [5 marks]

(c) a decrease in the apply of a substitute P; [5 marks]

(d) an increase in income tax. [5 marks] )