<?php // rate, values, result return [ [ 0.10000000000000001, -10000, 3000, 4200, 6800, 1188.4434123352, ], [ 0.080000000000000002, 8000, 9200, 10000, 12000, 14500, 41922.061554931999, ], [ 0.080000000000000002, 8000, 9200, 10000, 12000, 14500, -9000, 36250.534912984003, ], [ 0.050000000000000003, 2000, 2400, 2900, 3500, 4100, 12678.677633095, ], ];