Hi everyone, is there anyway that i can echo out my total bill that i have selected in my cafe&bar coding here? what i mean is, example i have selected two order in there, and at the end it will print out the total bill i have selected.. thank you for helping...

#!/bin/bash
function pause(){
read -p "Press [Enter] to continue order..."
[ $readEnterKey ] && { echo; echo "Your Order...