Given:
The volume of storage boxes at 4,800 cubic feet
And the cost of storage = 4.5 cents per cubic feet
so, to find the monthly cost of the storge, we will multiply the cost by the volume as follows:
[tex]4.5\cdot4800=21,600\text{ cents}[/tex]convert to dollars by divide by 100
So, the answer will be the monthly cost = $216