A property had a land value of $40,000, a 2,000 square foot structure with a rebuilding cost of $70 per square foot, depreciation of $5,000 due to functional obsolescence and $1,500 due to physical depreciation. What would be the estimate of value for this property using the cost approach? select one: a. $133,500 b. $140,000 c. $173,500 d. $180,000