hey guys, want to ask which file or codes controls the product price in the cart? i dont know why but my quoted price when i add to the cart and the actual price is different as seen in the pic.

the quoted price i got is 2000, but the price when i added into the cart becomes 1499

quoted price: http://img831.imageshack.us/img831/3164/capture1qs.png
price in cart: http://img401.imageshack.us/img401/28/captureke.png

where can i fnid the file that affects this?