Answer:
The correct answer is c) "It has become more price elastic"
Step-by-step explanation:
With the increased usage of cell phone services, the demand for land-line telephone services decreased.
If the demand won´t change, this is inelastic. If the demand changes, it is elastic.
example:
If the price of the cellphones increses, I would use more the land line telephone. Elastic
if the price of cellphones decreased, I won´t use the land line telephone (actually ocurring) Elastic
if the price of salt decreases, I will consume the same amount per month and I wouldn´t need more product. Inelastic