This course covers basic math and materials estimating the plumbing trades.  Pipe fitting math is practiced and applied to ensure proper plumbing drainage, as well as water and gas line pipe length installations.  Material lists and job estimating is also taught as it pertains to various plumbing systems and fixtures.  The students are given instruction on materials mark up for profit, proper customer billing, and required income and sales tax as it pertains to a self-run plumbing business.