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At the beginning of the year, an investment fund was established with an initial deposit of 1,000 . Three months later, a deposit of 1,200 was made. Withdrawals of 300 and 600 were made at the end of 6 months and 8 months, respectively. The balance in the fund at the end of the year was 1,400 . Calculate the dollar-weighted (money-weighted) yield rate earned by the fund during the year. A 5.7% B 5.9% C 6.1% D 6.3% E 6.5%