An investor puts $5,000 into a mutual fund on January 1st, another $5,000 on February 1st, and

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An investor puts $5,000 into a mutual fund on January 1st, another $5,000 on February 1st, and a third $5,000 on March 1st. On March 31st, the fund has $16,000. What is the holding period yield for the three months? (don’t worry about annualizing it)

1.67%

6.7%

16%

60%