$1231$ Problem

McGrath Corporation, a C Corporation, began a business $10$ years ago. $3$ years ago, McGrath

sold land used in their business $($basis $=$$$20,000$;$FMV=$$$40,000),$ however, since then, they

never sold a $1231$ asset. In $2023,$ McGrath sold the following $4$ business assets:

What is the character of McGrath's gains or losses for the current year assuming an ordinary rate

for individuals of $30\%?$ What effect do the gains or losses have on McGrath's $2023$ tax liability?