A) Other input prices, besides wages, have been rising. Which of the following allows this to be possible?

A) Other input prices, besides wages, have been rising. Which of the following allows this to be possible? A) Other input prices, besides wages, have been rising. B) Demand has been increasing at the same time supply has been decreasing. C) Demand has been stable while supply has been decreasing. D) Demand has been stable and technology has been improving.