Which sentence uses the comma correctly? 1.
The commissioners, in spite of their concerns, voted to buy new computers.
2. Computers were good for hidice efficiency, they knew but it would take some time to train the staff.
3. They wondered too if the new machines would save money, really.
4. Nevertheless the deed was done and in a few weeks, the changes began at the courthouse.

Option 2

Explanation:

the author is showing that it is the insatisfaction of basic needs that brings about the protests such as the strikes.if workers do not earn enough to buy food and feed their families and themselves in order to continue working, what is the use of working? besides, another message from the author is that of the owners of factories should be worried about ensuring their furure by having a second and third generation of workers in their industries.if they do not hear the workers demands, they will not have any more workers to make their pockets full.

the answer is b-$11,337.