BB Bank uses the historical simulation method to compute the ES of its portfolio. After sorting historic returns for the last 250 trading days, the worst losses for its portfolio are as follows: Worst 10-day loss $5,100 Second-worst 10-day loss $5,000 Third-worst 10-day loss $4,640 Fourth-worst 10-day loss $4,580 Fifth-worst 10-day loss $4,400 Sixth-worst 10-day loss $4,140 Seventh-worst 10-day loss $3,820 Eighth-worst 10-day loss $3,760 What is the estimated 10-day 97.5% ES for this portfolio