Cash Register Challenge 1

Cash_Register_1

puts "What is the amount due?"
total = gets.chomp.to_f

puts "What is the amount tendered?"
paid = gets.chomp.to_f

if paid < total
  puts "WARNING: Customer still owes $#{format("%.2f", total-paid)}"
  puts Time.now
elsif paid > total
  puts "The total change due is $#{format("%.2f", paid-total)}"
  puts Time.now
else
  puts "Exact amount tendered. No change due"
  puts Time.now
end