Answer:
a. The current market value of the land
Explanation:
An expansion project costing plays a huge role. According to relevant cost, all irrelevant cost in the business should not be considered while analyzing a project. In the past, cost incurred in purchase of the land and its improvement is sunk cot, hence these expenditure ares irrelevant while analyzing the expansion project. The only cost which is to be considered is current market value of the land.