10.C Nippon Motors has a share price of 250 today. If Nippon Motors is expected to pay a dividend of 8 this year, and its stock price is expected to grow to 270.5 at the end of the year, then calculate Nippon's dividend yield and equity cost of capital.

10D. The Octal Software's common stock is currently trading for 75.00 per share. The stock is expected to pay a 5.0 dividend at the end of the year and the Octal Software's equity cost of capital is 13%. If the dividend payout rate is expected to remain constant, then calculate the expected growth rate in the Octal Software's earnings.