Consumer demand for personal computers continues to increase each year, which might lead one to think that the profits earned selling personal computers at the retail level are very high relative to total retail sales of personal computers.
Given that ...
Consumer demand for personal computers continues to increase each year.
Why is it that ...
The retail profit margin on personal computer sales is extremely low compared to that of other high-tech items.
Evaluate
Since more people want PC's every year, the producers of PC's could theoretically raise their prices and still have buyers, thus we might expect them to have high profit levels.
But they don't. Maybe the price is already so high that even though people badly want a PC, if the price were raised any further, lot of people couldn't afford one.
Maybe there is a ton of competition in the PC space (whereas there isn't for other high-tech items), since competition keeps prices lower.
Goal
We need to find four reasons why PC's have a lower profit margin (or why other popular high-tech items have a higher profit margin).