$.$ An investor bought $500$ ABC shares for $1,000$ USD three years ago. During this period, every share

generated dividends equal to $10$ cents $(2$ years ago$),1$ USD $($one year ago$)$ and $60$ cents $($this year$).$

After receiving the dividends this year, the investor sold the $500$ shares for $1,030$ USD. What is the rate

of return for this investment?