The P/E ratio tells analyst how much an investor in common stock pays per dollar of current earnings. Cisco Systems Inc.'s P/E ratio increased from 2013 to 2014 but then slightly declined from 2014 to 2015.
1 For patients not covered by health insurance, a PET scan typically costs an average of about $4,900 for a PET scan of the whole body to $6,700 for the brain and $6,800 for the heart, according to NewChoiceHealth.com.
See CT Screening for further discussion. The other category for CT scan cost is the diagnostic CT scan. This is one that your doctor orders because there is a need like an injury or a symptom or condition you may have. The price for these scans are in the range of $580-$1,500 per body part scanned.