$50.$ What is the first$-$year rate of return on an investment with an assessed value of $$350,000$ when the net income is $$50,300$ and the cash purchase price was $$300,000?$ A$.5\mathrm{.}96\%*$ B$.6\mathrm{.}96\%*$ C$.14\mathrm{.}37\%*$ D$.16\mathrm{.}77\%$