A hydroelectric dam is expected to cost for $50 million initially. The overhaul cost can be categorized in two different categories, The major overhaul is expected $10 M every 7 years, and the minor overhaul costs are $2 million every 3 years. Apart from the overhaul costs operating and maintenance costs are $1 million every year. What would be the annualized cos of the hydroelectric dam, if the life of the dam is expected to last indefinitely? Assume the marr is 10% per year.