can you show the formulas

7. The last dividend on Spirex's. common stock was $5, and the expected growth rate is 15%. If you require a 18% return, what price you will be willing to pay for this stock? 8. Julie J bought one share of common stock last year for $90 per share. During the year, she received a dividend of $8 share. After one year, she sold the stock for $95 per share. What rate of return did Julie earn on her investment? 8. Julie J bought one share of common stock last year for $90 per share. During the year, she received a dividend of $8 share. After one year, she sold the stock for $95 per share. What of return did Julie earn on her investment? 9. Please calculate the dividend yield & capital gains yield in the example above