The Corner Water Corp. of Shippenville, Pennsylvania, has the following rates per 1000 gallons of water used.
Usage (x) Cost per 1000 Gallons (C(x))
First 10,000 gallons................................$15.96
Next 110,000 gallons...............................13.56
Over 120,000 gallons.................Additional 11.04
If Corner Water has a monthly service fee of $12.76, write a function CC(x) that models the charges (where x is thousands of gallons) and find limx→10 C(x) (that is, as usage approaches 10,000 gallons).