Write a method grayscale that converts a color image into a

black$-$and$-$white image. This is done by averaging the red, green, and blue components of each pixel. For example, if a pixel has RGB values of $($

$),$ the average of the three components is so that pixel becomes $($

$).6$: $1*$

$7$: $2**$

$8$: $2**$

$03=$ neerg $,001=$ der