$1.$ Briefly discuss one of the primary benefits of using comparative P$/$E ratios.

$2.$ Name an important characteristic of companies for which the price$-$to$-$book $($P$/$B$)$ ratio does not work well.

$3.$ Briefly describe the main type of scenario in which the two$-$stage DDM approach might be used to value a firm and its stock.

$4.$ Briefly describe a major shortcoming of the zero growth DDM model.

$5.$ Briefly describe the required inputs for the discounted cash flow $($DCF$)$ model.