A and D are the correct answer
Donald Trump is worth 4 billion US dollars. I hope it helps
I think the appropriate response is the boundaries of the firm. It is exercised in the vertical chain a firm ought to perform itself and which it ought to buy from autonomous firms in the market. Specifically, the most powerful work amid the most recent two decades on why firms exist, and what decides their limits, has been fixated on what has come to be known as the ''hold-up issue.