I got the same value as ogarbitrage.....or in my sheet it's calculated as $8.01 per cwt. (LC)
if looked at this way:
Input:
Feeders @ 1.5760 x 50,000 x 4 = $315,200.00
Corn @ 5.5025 x 5,000 x 3 = $82,537.50
Total input = $397,737.50
Live Cattle @ 1.3230 x 40,000 x 8 = $423,360.00...