(1) You are evaluating shares in Chevron (CVX). They expect to pay an annual dividend of $8.00 per share next year and expect to increase that by 4% every year. If you use a discount rate of 10%, what is the value of the shares?

I got 104, but it's wrong

(2) You are evaluating shares in Ford Motor (F). They expect to pay an annual dividend of $10.50 per share next year and expect to increase that by 2% every year. If you use a discount rate of 10%, what is the value of the shares?

I got 133.86, but that was wrong

(3) You are evaluating shares in Lyft (LYFT). They currently pay an annual dividend of $10.00 per share this year but expect to increase this payout by 10% next year and the following year. Then, as the company matures, it expects that dividends will only grow by 5% per year thereafter. If you use of discount rate of 20%, what is the value of the shares?

I got 61.65, but wrong

(4) You are evaluating shares in Schlumberger (SLB). They currently pay an annual dividend of $5.50 per share this year but expect to increase this payout by 5% next year and the two following years. Then, as the company matures, it expects that dividends will grow by 2% per year thereafter. If you use of discount rate of 12%, what is the value of the shares?

I got 53.03, but wrong

Any help with these problems?