PC Bell, a computer manufacturer that sells computer systems directly to customers, buys a computer chip for $180, software for $350, and a printer for $50. If the value added by PC Bell from selling this system (including the printer and the software) is $1,400, what is the price at which the system is sold? O A. S820. O B. $1,980. O c. $1,220. O D. $1,400