Observe the given solid. Find its volume.

• A. \[48\,\,c{{m}^{3}}\]                
• B.           \[68\,\,c{{m}^{3}}\]                
• C.           \[72\,\,c{{m}^{3}}\]                
• D.           \[162\,\,c{{m}^{3}}\]