Write a python program that will calculate the cost of installing fiber optic cable for a fictitious company Display a welcome message for your program.

Get the number of feet of fiber optic to be installed from the user.

Evaluate the total cost based on the number of feet requested as described below.

If the user purchases more than $100$ feet, they are charged $$\mathrm{.}80$ per foot.

If the user purchases more than $250$ feet, they will be charged $$\mathrm{.}70$ per foot.

If they purchase more than $500$ feet, they will be charged $$\mathrm{.}50$ per foot.

Display the calculated information including the number of feet requested and the company name.