Use the Following Demand and Supply Functions: Demand $Q _ { d } = 900 - 60 p$

Multiple Choice

Use the following demand and supply functions: Demand: $Q _ { d } = 900 - 60 p$ Supply: $Q _ { s } = - 200 + 50 \mathrm { P }$ If the price is currently $11,there is a

A) surplus of 110 units.
B) shortage of 240 units.
C) surplus of 350 units.
D) shortage of 700 units.