Answer:
C. Less expensive for a certain amount of computing power.
Step-by-step explanation:
Overtime, smartphones have become less expensive for a certain amount of computing power but easier to use.
Smartphones are more than just a way to reach out to people, they have a lot of features aside from calling and texting.
Basically, smartphones have high-speed internet accessibility, high definition digital cameras, games, text-to-speech app, GPS and a variety of fun social media applications for the Apple iOS and Android operating system.
Hence, with the above-mentioned features it performs all sort of tasks seamlessly to the satisfaction of the users with easy commands.