1 Show charges for freight separate from everything else-Do not mark it up and do not combine handling charges with freight charges. 2  Most states charge tax on handling charges, so combining them with freight charges (e.g. S&H) will make both taxable.
The AST test is commonly used to check for liver diseases. It is usually measured together with alanine aminotransferase (ALT). The AST to ALT ratio can help your doctor diagnose liver disease. Symptoms of liver disease that may cause your doctor to order an AST test include: 1  fatigue. 2  weakness.3  loss of appetite.t is usually measured together with alanine aminotransferase (ALT). The AST to ALT ratio can help your doctor diagnose liver disease. Symptoms of liver disease that may cause your doctor to order an AST test include: 1  fatigue. 2  weakness. 3  loss of appetite.
AST is an enzyme found in high levels in the liver, heart, and muscles. It is also found in lesser amounts in other tissues. An enzyme is a protein that causes a specific chemical change in the body. This test is mainly done along with other tests (such as ALT, ALP, and bilirubin) to diagnose and monitor liver disease.