To find out how much the city will save by choosing Williamson Construction Company over Greenpoint Builders, you can subtract the cost of Williamson's bid from the cost of Greenpoint Builders' bid.
Here are the figures:
- Greenpoint Builders: $980,609.00
- Williamson Construction Company: $911,249.00
Now, subtract Williamson's bid from Greenpoint's bid:
\[ \text{Savings} = \text{Greenpoint Builders' bid} - \text{Williamson Construction Company's bid} \] \[ \text{Savings} = 980,609.00 - 911,249.00 = 69,360.00 \]
The city of Greenpoint will save $69,360.00 if they give the job to Williamson Construction Company.