If an Insured Has Actual Cash Value Coverage,how Much Would

Multiple Choice

If an insured has actual cash value coverage,how much would he collect given the following facts?
1) replacement cost of the building is $200,000,
2) replacement cost of the loss is $30,000,
3) estimated total useful life is 30 years,and,
4) building has been in use 15 years.

A) $70,000
B) $45,000
C) $30,000
D) $15,000