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, however, is not specific for the liver and may be increased in conditions affecting other parts of the body. An AST test is often performed along with an alanine aminotransferase (ALT) test. Both are enzymes found in the liver that become elevated in the blood when the liver is damaged.