Calculate the expected value of each of the following stocks and explain whether or not you would purchase them.

$-$ The price of Stock A is $$6\mathrm{.}00$ per share. You expect that the stock will pay a dividend of $$1\mathrm{.}40$ at the end of six years, at which time you expect the stock will be selling for $$11\mathrm{.}50$ per share. You require a $13\%$ rate of return.

$-$ The price of Stock B is $$140$ per share. The stock recently just paid $$4\mathrm{.}50$ a share in dividends, and you expect dividends to grow at $9\%.$ You require a $9\%$ rate of return.

$-$ The price of Stock C is $$64$ per share. You expect that the stock will pay a dividend of $$7$ at the end of the year and $$12\mathrm{.}50$ at the end of two years. You expect the stock will be selling for $$54$ per share in two years. You require a $5\%$ rate of return.

$-$ The price of Stock D is $$94$ per share. You expect that the stock will pay a dividend of $$8$ at the end of the year, $$3$ at the end of two years, and $$8$ at the end of three years. You expect the stock will be selling for $$96$ per share in three years. You require a $15\%$ rate of return.