Please help

Question $12$: Mad Max Inc. has a dividend policy that increases annual dividends by $3\%$ each year. If last year's dividend was $$2\mathrm{.}50,$ the company intends to stay in business for $50$ years, and an investor wants a $11\%$ return, what would be the price of Mind Max stock?

Question $13$: You purchase $100$ shares of GM $($General Motors$)$ for $$209$ per share. Three months later, you sell the stock for $$260$ per share. You receive a dividend of $$0\mathrm{.}77$ a share. What is your total dollar return?