1.   Unleaded petrol will be fourteen pence cheaper per gallon than leaded.

2.   Bigger public schools can be cheaper per pupil, but nearly as expensive per graduate, since the big schools usually have more dropouts.

3.   But the cartridges are cheaper per megabyte than most of their removable competitors, and removability and expandability are benefits not to be taken lightly.

4.   It was even cheaper per square foot than other terminals, he said, because it used prefabricated materials.

5.   Some of the chocolates will be cheaper per piece when not purchased as part of a special Valentine box.