A number of manufacturing plants in Hometown City recebtly closed. Based on the principle of supply and demand, what will happen to the market value and the market price for properties in the area?

a) The market value will decline, but the market price will remain stable

b) The market value will remain stable, but the market price will decline

c) The market value will increase and the market price will remain stable

d) The market value and the market price will both decline in this situation