Refer to the code below to answer the questions that follow:

$20$ public static void

calcRectangleArea $($double len, double wid$)$

$21\{$

$22$ double area $=0$;

$23$

$24$ area $=$ len $*$ wid;

$25$ System.out.printf$("$The area of the

rectangle is: $\%.1f^{\text{'}\text{'}},$ area $)$;

$26\}$

Identify each of these variables as local variables or parameter

variables:

len

area

wid