InvisalignÂ® Cost Calculator. The cost of Invisalign treatment is comparable to the cost of metal braces, and in the U.S., can range from $3,000 â $8,000. As with other medical treatments, only your doctor can determine the actual cost based on your specific needs and will work with you to customize your individual plan.
EmpXtrack. A general ledger (GL) is a chronological accounting record a business uses to keep track of financial transactions. Transactions are categorized and summarized into general ledger accounts. An account is a unique record for each type of asset, liability, equity, revenue and expense.
Report Abuse. bbl stands for an oil barrel. bbls would be plural. The b may have been doubled originally to indicate the plural (1 bl, 2 bbl), or possibly it was doubled to eliminate any confusion with bl as a symbol for the bale.o avoid confusion, the bbl abbreviation is used to signify a petroleum barrel of 159 liters. I have no idea where the double b came from, its sort of like why do we abbreviate a pound as lb.