A real estate investor has a 30 year lease on a plot of land. He gets estimates on the cost and income of various types of building projects on the piece of land as follows:

	Building type	Cost of the building($)	Net profit per year
A	Apartment house	300,000	69,000
B	Theater	200,000	40,000
C	Department store	250,000	55,000
D	Office building	400,000	76,000

Each building type is expected to have a salvage value equal to 20% of its initial cost. If the investor requires a minimum attractive rate of return of at least 12%. Which building type ( if any ) he would build?.

		D
		B
		C
		A