Cash Register Challenge II Updated with Methods

Cashier2Methods.rb

def make_money(to_money)
  sprintf("$ %.2f",to_money)
end
 
def get_user_input(text)
  puts  text
  gets.chomp
end
 
 
 
list_of_purchases=[]
sales_price = 0
subtotal=0
 
#KEEP GETTING PURCHASE UNTIL USER SAYS DONE
while true
 
 
  sales_price = get_user_input ("What is the sale price?")
  if sales_price == "done"
      break
  end
  sales_price=sales_price.to_f
  list_of_purchases << sales_price
  subtotal = subtotal + sales_price
  puts "Subtotal: #{make_money(subtotal)}"
end
 
 
#PRINT OUT LIST OF PURCHASE
puts "Here are your item prices:"
 
list_of_purchases.each do|item|
  puts make_money(item)
end
 
#GET THE AMOUNT TNDERED
puts "the total amount due is #{make_money(subtotal)}."
 
 
cust_cash = get_user_input("What is the amount tendered?").to_f
 
#DO CHANGE
change_due = cust_cash - subtotal
puts "===Thank You!==="
puts "The total change due is #{make_money(change_due)}"