Which data type store unit cost price and amount in sqlserv?

Question

In sql server 2012 I design database for pharmaceutical company to store data of orders

 

Inside this database I have Table order inside it have three fields

 

Quantity

 

Unit Cost price

 

Amount( Quantity * Unit Cost price)

 

Quantity datatype is integer

 

What data type i can use for  Unit Cost price field and Amount field ?

 

Amount will be big because production Qunatity from  200000 to 1000000 box in order .

 

Unit cost price from 1 pound to 200 pound .

 

so that Which data type store unit cost price and amount in sqlserver 2012?