TOLFA Segment 15, Question 2

Don't hurry away; even when you've got the right answer, try clicking on the others to see why they are wrong! Then when you have correctly answered this make notes in your student notebook, go to Question 3.

Segment 15 Page

A new portable telephone is being produced and offered for sale. How many will be sold?	Who knows? It's anybody's guess. As many as the manufacturer can make. As many as the public needs. As many as are fixed by the cross point on its demand, supply & demand chart.