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.
1 For example, the cost for a whole-body PET scan ranges from $3,200 at a center in Mississippi to $10,300 at a hospital in California. 2  Dartmouth-Hitchcock Medical Center in New Hampshire charges $4,929 for a whole body scan with a discount for the uninsured.