There's a dollar(sign) in variable name

Is that possible to get the data when their is a dollar(sign) in variable.

Example:

my column name is price_in_u$
** this is the column name in my database

then i use model and controller to query and get data ( i have no problem here)

this is my code when i display the data
**

PHP Code:

echo 'Price in US: ' $comp_prod->prince_in_u$ 


the error i got is:
syntax error, unexpected '$', expecting ',' or ';'

is there a way i can use the dollar(sign) ?

even escaping the string is not working.

PHP Code:

echo 'Price in US: ' $comp_prod->prince_in_u/$