帮忙解一道英文的微观经济题~不是翻译~回答随便用英文或是中文,You are asked to advise a mon

帮忙解一道英文的微观经济题~
不是翻译~回答随便用英文或是中文,
You are asked to advise a monopolist who is producing 5,000 units with total revenues of $25,000.The marginal cost equals ATC,total fixed costs are $10,000,average variable cost is $4 and marginal revenue is $2.50.Is the firm making a profit or loss?What if anything should it this monopolist do with output and price to maximize profits?