Answer:
$50,800
Step-by-step explanation:
Security Cost Fair value Gain(loss)
X 371,000 343,500 -27,500
Y 185,000 162,400 -22,600
Z 424,000 407,800 -16,200
Total 980,000 913,700 -66,300
Unrealized holding loss on Income statement ended June 30,2021 = $66,300 - $15,500 = $50,800