Commercial rates

<1000   475
<2000   575
<3000   675
<4000   775
Square footage >4000 <10000  .18 Cents per square foot
Square footage >10000 <20000  .16 cents per square foot
Square footage  >20000   .14 cents per square foot

Example:  14250 square feet
First 4000 square feet @ $775 + 6000 square feet at .18 cents + 4250 square feet at .16 cents  for a total of $2535.