0.4 - 0.6% daily for 10 days; accruals on calendar days; principal returned ( roi 106%; net profit 6% ); 0.7 - 0.9% daily for 25 days; accruals on calendar days; principal returned ( roi 122.5%; net profit 22; 5% ); 1 - 1.2% daily for 55 days; accruals on calendar days; principal returned; ( roi 166%; net profit 66% )