```ruby
module SupportersHelper
  def number_in_cents_to_currency(number)
    number_to_currency(number.to_f / 100)
  end

  def plan_image_tag(plan, size='64x64')
  image_tag("supporter-badge-#{plan.stripe_plan_id}.png", size: size)
  end

  def plan_change_word(from_plan, to_plan)
    if from_plan.price.nil? || from_plan.price == to_plan.price
      "Become a #{to_plan.name}"
    elsif to_plan.price > from_plan.price
      "Upgrade"
    else
      "Downgrade"
    end
  end

  def plan_change_word_past_tense(from_plan, to_plan)
    word = plan_change_word(from_plan, to_plan)
    if word == "Signup"
      "Signed up"
    else
      word + "d"
    end
  end

  def joy_or_disappointment(from_plan, to_plan)
    case plan_change_word(from_plan, to_plan)
    when "Upgrade"
      "What a hero!"
    when "Downgrade"
      "Thanks for continuing to be a supporter!"
    else
      raise
    end
  end
end
```

Remove unused logic path in helper
user
```ruby
module SupportersHelper
  def number_in_cents_to_currency(number)
    number_to_currency(number.to_f / 100)
  end

  def plan_image_tag(plan, size='64x64')
  image_tag("supporter-badge-#{plan.stripe_plan_id}.png", size: size)
  end

  def plan_change_word(from_plan, to_plan)
    if from_plan.price.nil? || from_plan.price == to_plan.price
      "Become a #{to_plan.name}"
    elsif to_plan.price > from_plan.price
      "Upgrade"
    else
      "Downgrade"
    end
  end

  def plan_change_word_past_tense(from_plan, to_plan)
    if to_plan.price > from_plan.price
      "Upgraded"
    elsif to_plan.price < from_plan.price
      "Downgraded"
    else
      raise
    end
  end

  def joy_or_disappointment(from_plan, to_plan)
    case plan_change_word(from_plan, to_plan)
    when "Upgrade"
      "What a hero!"
    when "Downgrade"
      "Thanks for continuing to be a supporter!"
    else
      raise
    end
  end
end
```
assistant