The correct volume of concrete for the footing size indicated below. [Figure description: A footing with plan view and elevation. Plan: a square outer boundary of 2 m × 2 m with a smaller central square (1 m × 1 m, the column/top face) joined to the outer corners by diagonal lines. Elevation: a rectangular base slab 2 m long and 0.4 m thick, with a tapering (pyramidal frustum) portion above it rising to a top width of 1 m; total height marked 1 m (0.4 m base slab plus tapered part).]
- A. 1.20 Cum
- B. 2.40 Cum
- C. 0.80 Cum
- D. 3.20 Cum