Answer:
$36,000 loss
Explanation:
net effect after taxes = [(operation's revenue - operation's expenses) - gain/loss resulting from sale] x (1 - tax rate)
= [($120,000 - $100,000) - $80,000] x (1 - 40%) = ($20,000 - $80,000) x 60% = -$60,000 x 60% = -$36,000 or $36,000 loss