From a rectangular sheet of tin (length 6 meter, breadth 4 meter), a square of side 1.5 meter is cut from all the corners of the sheet. The remaining portion of the sheet is folded into the shape of an open box. The volume of the box in cubic meters is
1
\(9 \frac{1}{2}\)
2
9
3
\(4 \frac{1}{2}\)
4
\(\frac{135}{8}\)
5
None of these