You bought a stock at $$21$ last year. After one year, you received a dividend of $$0\mathrm{.}6$ and then sold the stock for $$38.$ What was your rate of return on this investment?a$\mathrm{.}44\mathrm{.}00\%$b$\mathrm{.}85\mathrm{.}49\%$c$\mathrm{.}80\mathrm{.}95\%$d$\mathrm{.}46\mathrm{.}32\%$e$\mathrm{.}83\mathrm{.}81\%$