Find out the error(s) in the following design of a casting.

• A. The vertical faces must be tapered ( provide draft allowance) only
• B. The cavity must be created using some additional elements ( loose piece) only
• C. The vertical faces must be tapered as well as the cavity must be created using loose piece
• D. Nothing needs to be done ( no error)
• E. onlyb) The cavity must be created using some additional elements ( loose piece) onlyc) The vertical faces must be tapered as well as the cavity must be created using loose pieced) Nothing needs to be done ( no error)