Given that:
- An acre is equivalent to a square piece whose side length is:

- Fencing can be purchased in 50-foot rolls for $49 per roll.
Then, you can determine that the perimeter of the square piece is:

Knowing that 50 feet of fencing cost $49, you can determine that the cost of 840 feet (in dollars) is (represented with the variable "x"):

Now you know that the cost of materials is $823.2.
You are making a bid to install the fencing of a square plot of ground that is an acre at a cost of $1 per foot of fencing, then, the cost for the installation is:

Therefore, your bid is:

Hence, the answer is: Your bid is the low bid for the job. You will likely get the business.