Answer:

Step-by-step explanation:
Recall the form of the difference of squares.

Now let's apply it to your numbers:

Simplify:

That’s right cuz there’s 2 cubes in height and if one cube is 4ft then 2 would be 8ft
k there is your answer. be happy. UwU
8% of 1000 = 80
8% of 1080 = 86.4
8% of 1166.4 = 93.31
8% of 1259.71 = 100.77
8% of 1360.48 = 108.8
$1469.28
Rounded: $1469