At what Fraud Index level would we start blocking refunds on 50% of customers? 148 Fraud Index ---> # of Customers at or above FI % of Customers at or above FI $ at or above FI % of $ 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 500 481 451 384 310 215 93 55 25 15 100% 96% 90% 77% 62% 43% 30% 19% 11% 5% 396 $ 254,045 $ 247,831 $ 234,255 $ 201,979 $ 161,719 $ 108,012 $ 71,364 $ 42,043 $ 24,546 $ 9,520 $ 5,338 100% 98% 92% 80% 64% 43% 28% 17% 10% 4% 2% 4 .5 1 .3 0 .6