Suppose that a year later, NTT's common stock is selling for $75 per share. During the 1 year period, NTT paid a $4 common stock dividend. Determine the realized (ex-post) percentage holding period return on NTT common stock

Answer 1

4/75 = 5.33% annual return, if the stock price did not change. You did not say what the stock price was a year earlier.