Income inequality is greater within nations than among nations

"The price of digital cameras fell because of improvements in production technology. As a result, the demand for non-digital cameras decreased

This caused the price of non-digital cameras to fall; as the price of non-digital cameras fell the demand for non-digital cameras decreased even further." Evaluate this statement. A) The statement is false because digital camera producers would not reduce their prices as a result of improvements in technology; doing so would reduce their profits. B) The statement is false because the demand for non-digital cameras would increase as the price of digital cameras fell. C) The statement is false. A decrease in the price of digital cameras would decrease the demand for non-digital cameras, but a decrease in the price of non-digital cameras would not cause the demand for non-digital cameras to decrease. D) The statement is false because it confuses the law of demand with the law of supply.

Suppose the figure below shows the demand curve, marginal revenue curve and marginal cost curve for a monopolist.  The profit-maximizing price for this monopolist to charge is:

A. A. B. C. C. B. D. E.