English Conversation Practice - Broken Computer

Customer: Something is wrong with my computer.
Repair shop clerk: What is wrong with it?
Customer: It will not turn on.
Repair shop clerk: I will take a look at it.
Customer: How much is the repair cost?
Repair shop clerk: It depends on what needs to be repaired.
Customer: Is there a charge to see what repairs are needed?
Repair shop clerk: No. There is no charge to find out what is wrong. We only charge for repairs.
Customer: Ok. How long will it take?
Repair shop clerk: Please come back in two hours.

1. What is wrong with the computer?
The screen is broken
It will not turn on
It is too slow
It has a virus

2. How much is the repair cost?
It depends on what needs to be repaired
More than the cost of the computer
There is no charge for repairs
More than the customer can afford

3. What will the customer be charged for?
Finding out what is wrong with the computer
Repairing the computer
Both A and B
None of the above

4. How long will it take to find out what is wrong?
An hour
Two hours
24 hours
One week