Samsung is a leading global manufacturer that competes with Apple and Google. Key financial figures for Samsung, Apple, and

Google follow.

Required:

What is the return on assets for Samsung in the

$($a$)$ current year and

$($b$)$ prior year?

Does Samsung's return on assets exhibit a favorable or unfavorable change?

$3-$a$.$ Is Samsung's current$-$year return on assets better or worse than that for Apple?

$3-$b$.$ Is Samsung's current$-$year return on assets better or worse than that for Google?