At 0.50: TP value = 260 x $400 = $104,000; FP cost = 200 x $15 = $3,000; FN cost = 140 x $400 = $56,000. **Net value = $104,000 - $3,000 - $56,000 = $45,000** - At 0.70: TP value = 160 x $400 = $64,000; FP cost = 60 x $15 = $900; FN cost = 240 x $400 = $96,000. **Net value = $64,000 - $900 - $96,000