Think about the demand for the three popular laptops: ACER, ASUS and DELL. Using supply

and demand diagrams, explain the effect on the demand for DELL or the quantity demanded

of DELL (other things remaining the same) as a result of the following:

a)

The price of a DELL increases?

b)

The prices of an ASUS and an ACER increase?

c)

Programmers who develop operating system for DELL become less costly to hire?