I have an old house with 50s plumbing. My problem is the single sink P trap sits less than a 1" off the cabinet base floor. The drain 2" sits low also (4" up the back wall). As a result it makes working on the drain difficult and to catch any water and trash in the trap. How can I raise the P trap higher without creating a S trap type of configuration? I don't think S traps are to code here.