Please show formulas used on each question

Spotify Technology (SPOT), the music streaming service, is selling for $229. They are still losing money and facing a strong backlash from the musicians who complain that Spotify is not paying them enough for the music. Nevertheless, The Value Line believes that the stock could sell for $400 three years from now in late 2024. If we require a 14% rate of return, what do we believe the stock is worth? Would you invest in Spotify? (3 points) Using annual compounding, find the expected prices for the following corporate bonds: (3 points) a) $1,000 par value, 8%, 20-year bond priced to yield 6% 80x b) $1,000 par value, 5%, 20-year bond priced to yield 7%