bank_account.rb

  class BankAccount
  attr_accessor :balance, :name
  @@minimum_balance = 200
  @@overdraft_fee = 25


  def self.overdraft_fee=(overdraft_fee)
    @@overdraft_fee=overdraft_fee
  end

  def self.minimum_balance=(minimum_balance)
    @@minimum_balance=minimum_balance
  end

  def initialize(balance, name)
    if balance < @@minimum_balance
      raise(ArgumentError)
    else
      @balance = balance
      @name = name

    end
  end

  def balance
    @balance
  end

  def deposit(deposit)
    @balance = @balance + deposit
  end

  def withdrawl(withdrawl)
    @balance = @balance - withdrawl
    if withdrawl > @balance
      @balance = @balance - @@overdraft_fee
    end
  end

  def transfer(amount, account2)
    self.withdrawl(amount)
    account2.deposit(amount)
  end
end

Great job! Again, the most important recommendation is that you don't name variables the same as the method. Otherwise, good work!