The $\frac{P}{E}$ ratio, or price$-$to$-$earnings ratio of a stock, is computed using which formula?

Multiple Choice

$($Revenue per share$)($Price of stock share$)$

$($Price of stock share$)($Revenue per share$)$

$($Earnings per share$)($Price of stock share$)$

$($Price of stock share$)($Earnings per share$)$