Before finalizing the sale agreement, you must know the price at which the bank will sell you the asset.
Key points
If the supplier's price changes before the bank completes the purchase, don't assume the old price is now a fixed right or that you automatically pay the increase; review the agreement, its terms, and the final offer.
The important thing is that you don't enter into the final Murabaha contract unless the total sale price you pay is clear.
The figures, fees and limits in this answer vary by bank and change over time — confirm them with your bank or the official source before acting.