Give a numerical example to show that monopolist marginal revenue can be producer’s average revenue can be upward sloping...

Give a numerical example to show that monopolist marginal revenue can be producer’s average revenue can be upward sloping over part of its range. Hint: The price on the demand curve is the producer’s average revenue. Think of the graphic in Chapter 4 that showed the possibility of declining average costs while marginal cost while marginal costs were increasing.