Mechanic Q: air sound coming from brakes?

There is a constant air sound coming from the brakes inside the car

Mechanic Q: Cost for Clutch replacement? Is this a fair price.??

My sons 1994 Acura is at the shop and they told me it will cost $2,000.00 to have it repaired. It needs a Clutch Slave cylinder, Clutch Master Cylinder, Clutch Disc/Pressure Plate and release bearings.

Mechanic Q: When idling the cars acts like it wants to cut off.?

When the car idles it act as if it wants to cut off.