The cellular determinants of K+ secretion in the principal cell include the intracellular K+ concentration, the luminal K+ concentration, the potential (voltage) difference across the luminal membrane, and the permeability of the luminal membrane for K+.
The average cost for a brake pad replacement, resurface rotors is between $254 to $361. Labor costs are estimated between $182 to $231 while parts are priced between $72 to $130.
It pays to shop for the repair cost; both the parts and labor. The parts prices are as follows; front or rear disc brake pads around $10.00 to around $44.00 per axle set. The front brake rotors are around $25.00 to around $100 each. Similar pricing for the rear brake rotors. With the brake rotor replacement, expect to buy the replacement rotor grease seals; $0.93 to around $4.50 each seal.