There are four friends.
Cost that must be divided among 4 friends:
- Security deposit of 1500
 - Cleaning deposit of 325
 - 2 months advance rent ($975 per month) = 

 
The sum is 
.
Dividing this among 4 friends gives each person 
 dollars to pay.
** In addition to this, Tomaso has to pay $150 extra as pet deposit since he has a cat. **
So Tomaso need to pay a grand total of 
 dollars.
Rounded to the nearest dollar, Tomaso needs to pay $1094.
ANSWER: $1094