$3.$ While developing the solution, write down the step$-$by$-$step instructions on how to solve the problem Suppose an order is placed for $3$ Colt Peacemakers, $2$ Holsters, $10$ pairs of Levi Strauss jeans, $1$ Saddle, and $4$ Stetsons. Write a program to perform the following tasks:

a$.$ Create the file Order.txt to hold the numbers $3,2,10,1,$ and $4.$

b$.$ Use the files Cowboy.txt and Order.txt to display a sales receipt giving the quantity, name, and cost for each item ordered.

c$.$ Compute the total cost of the items and display it at the end of the sales receipt.Cowboys

Display Sales Receipt

$3$ Colt Peacemaker: $$36\mathrm{.}60$

$2$ Holster: $$4\mathrm{.}00$

$10$ Levi Strauss jeans: $$13\mathrm{.}50$

Saddle: $$40\mathrm{.}00$

Stetson: $$40\mathrm{.}00$

TOTAL: $$134\mathrm{.}10$