Wind energy class please help?

There is a wind farm close to Oklahoma city. On the basis of EPRI TAG method what is the levelized replacement cost for a 250 MW wind farm? One MW installed capacity costs $1,850,000. Fixed change rate is 12.5% overall. Net capacity factor is 40%. Balance of substation cost is $70,000,000. Annual Operation & Maintenance is $6,800,000 overall and the cost of produced energy by this wind farm is 51$/MWh