a recently acquired asset sis ide it would be completely used up in $10$ years. If the asset is used as intended, it would te completely uned up in $5$ years. in any event, me asset would be solete $($i$.$e$.,$ could not be sold$)$ in $7$ years. For purposes of calculating its depreciasion expenses, what should be the assefs service ife?

$5$ years

$7$ years

$10$ years