Price Pfister single Handle Shower valve leak fix

Fix a leaking shower valve/faucet branded PRICE PFITSER. The sound of the water dropping was becoming annoying. It started one small drop every now and then until the drops became bigger and rapidly dropping one after the other to the point of filling a small bucket in a matter of hours. At times it looked like there was almost a continuous flow of water. The replacement cartridge was purchased at Menard’s