Shopify Scripts - Tiered Pricing

Shopify Scripts - Tiered Pricing + Product tags + Cart Discount

DISCOUNTS_BY_QUANTITY = {
  4 => 20,
  3 => 15,
  2 => 10
}


discunted_count = 0
Input.cart.line_items.each do |line_item|
  if line_item.variant.product.tags.include?('DiscountTag')
    discunted_count = discunted_count + line_item.quantity
  end
end

Input.cart.line_items.each do |line_item|
  next if line_item.variant.product.gift_card?
  quantity, discount = DISCOUNTS_BY_QUANTITY.find do |quantity, _|
    discunted_count == quantity
  end
  next unless discount

  message = "#{discount}% off when buying at least #{quantity}."
  line_item.change_line_price(
    line_item.line_price * (Decimal.new(1) - discount.to_d / 100),
    message: message,
  )
end
Output.cart = Input.cart

Tiered Pricing

DISCOUNTS_BY_QUANTITY = {
  10_000 => 20,
  1_000 => 15,
  100 => 10,
  10 => 5,
}

Input.cart.line_items.each do |line_item|
  next if line_item.variant.product.gift_card?

  quantity, discount = DISCOUNTS_BY_QUANTITY.find do |quantity, _|
    line_item.quantity >= quantity
  end
  next unless discount

  message = "#{discount}% off when buying at least #{quantity}."
  line_item.change_line_price(
    line_item.line_price * (Decimal.new(1) - discount.to_d / 100),
    message: message,
  )
end

Output.cart = Input.cart

Hello dear,
Can you tell me where to put this code for quantity break?
Thank you