North Enterprises sells land for $15,000 cash and machinery worth $20,000. The other party's adjusted basis in the machinery is $8,000. The land was subject to a $25,000 mortgage, which the other party assumes. North incurs $2,000 of selling expenses on the sale. What is North's amount realized from the sale? 1) $58,000. 2) $60,000. 3) $23,000. 4) $33,000. 5) $35,000