Doctors' Inc. just paid an annual dividend of $$2\mathrm{.}00$ last week and is currently selling for $$25$ per share $($not necessarily the value$).$ Its dividends are expected to increase by $5\%$ annually. Based on the riskiness of Doctors' Inc's stock, your required rate of return is $15\%.$ What should be your trading strategy on this stock?

a$.$ Buy the stock at $$25\mathrm{.}00$ if you don't own it as it is worth $$21\mathrm{.}00$ per share.

b$.$ Sell the stock if you own it at $$25\mathrm{.}00$ as it is worth $$21\mathrm{.}00$ per share.

c$.$ Buy the stock at $$25\mathrm{.}00$ if you don't own it as it is worth $$28\mathrm{.}00$ per share.

d$.$ Sell the stock if you own it at $$25\mathrm{.}00$ as it is worth $$13\mathrm{.}50$ per share.

e$.$ Nothing, the stock is fairly priced at $$25\mathrm{.}00$ per share.