Explain, using diagrams, what happens to the equilibrium price and quantity for iSung mobile phones when:

(i) There is an increase in wages for workers in the mobile phone industry.

(ii) iSung mobile phones become the latest fashion accessory.

(iii) There are reports that the batteries on iSung phones catch fire while charging.

(iv) There is an improvement in the technology used for making iSung mobile phone.