A rectangular block of ice measures 40 cm by 25 cm by 15 cm. Calculate its weight (in kg), if ice weighs \[\frac{9}{10}\] of the weight of the same volume of water and \[\text{1 c}{{\text{m}}^{\text{3}}}\] of water weighs 1 gm.

• A.  9                                
• B.  13.5   
• C.  8                    
• D.         9.5