You are required to do multithreading on generated receipt in c$.$ You will create $4$ threads.

Thread $1$: select the number of items you purchased. Display the prices of all items as $($Quantity

x Price of the individual$)$ add them and return their sum.

Thread $2$: Calculate $8\%$ tax on it$.$

Thread $3$: If an order is greater than $250,$ Calculate $10\%$ sale.

Thread $4$: Sort the items according to their prices.

please use multithreading concepts like pthread library pthread join $,$ pthread create and son like its done in multithreading