Please show step by step calulations Thank you !

(8)Calculate the Present Value of Growth Opportunities [PVGO] based on: Earnings Per Share = $8.00, Required Rate of Return = 14%, Dividends Per Share = $1.50, Return on Equity = 16%.

(20) Calculate duration for a bond based on the following: time to maturity = 7 years, required rate of return = 8.25% and coupon rate = 3.75%.

(a)5.164 (b)5.768 (c)5.984 (d)6.164 (e)6.262 6 (f)6.468