Cash Register with Hash to store Quantity

cashier.rb

#Cashier

require './register.rb'

puts "Welcome to James' Coffee Emporium!"

puts "1) Add item - $5.00 - Light Bag "

puts "2) Add item - $7.50 - Medium Bag"

puts "3) Add item - $9.75 - Bold Bag"

puts "4) Complete Sale"

cashier = Register.new

while cashier.gets_selection != "4"
	cashier.gets_quantity
	cashier.add_quantity
	cashier.calculate_subtotal
end

puts "Sale Complete"

cashier.list_items

puts "Total: $" + cashier.total.to_s

cashier.get_amount_tendered

cashier.calculate_change

puts "========Thankyou========"
puts "Total change due is: $" + cashier.total.to_s

register.rb

require 'pry'
#Register

class Register
	attr_reader :items, :selection, :total
	
	def initialize
		@items = { 1 => { :name => "Light Bag", :price => 5.00, :qty => 0 }, 2 => { :name => "Medium Bag", :price => 7.50, :qty => 0 }, 3 => { :name => "Bold Bag", :price => 9.75, :qty => 0 }, 4 => { :name => "done", :price => 0, :qty => 0}} 
		@quantity = 5
		@selection = 0
		@total = 0
	end

	def gets_selection
		puts "Make Your Selection"
		@selection = gets.chomp
	end

	def gets_quantity
		puts "How Many?"
		@quantity = gets.chomp
	end

	def add_quantity
		@items[@selection.to_i][:qty] += @quantity.to_i
	end

	def calculate_subtotal
		@total += (@items[@selection.to_i][:qty].to_f * @items[@selection.to_i][:price].to_f)
		puts "Subtotal: $#{@total}"
	end

	def list_items
		@items.each do |key,value|
			puts  "#{(@items[key][:qty] * @items[key][:price])}" + "-" + "#{@items[key][:name]}"  if @items[key][:qty] != 0
		end
	end

	def get_amount_tendered
		puts "What is the amount tendered?"
		@amount_tendered = gets.chomp
	end

	def calculate_change
		@change = @amount_tendered.to_f - @total.to_f
		puts "Change due: $" + @change.to_s
	end
end