Prof: risk $1158/return $1036.90 ROI: .89.5%
BHP: risk $1250/return $987.40 ROI: .78.9%
Jack: risk $1250/return $981.50 ROI: .78.5%
Mel: risk $1250/return $797.40 ROI: .63.7%
For the ROI 1.00 is break even
Jack's running total beyond the $1250 Threshold
risk $2114/return $1546.40 ROI: .73.2%