A building contractor is building a backyard playground and wishes to put down rubber mulch to provide safety from falls. The contractor wishes to put the mulch in a pit in the shape of a rectangular solid
2727 feet long, 1818 feet wide, and 66 inches deep.

a) Determine the volume, in cubic feet, of mulch the contractor will need.
b) If mulch costs $1111 per cubic foot, what will the cost of mulch be?