PhpSpreadsheet/tests/data/Calculation/Financial/NPV.php

<?php

// rate, values, result

return [
    [
        1188.4434123352,
        0.10000000000000001,
        -10000,
        3000,
        4200,
        6800,
    ],
    [
        41922.061554931999,
        0.080000000000000002,
        8000,
        9200,
        10000,
        12000,
        14500,
    ],
    [
        36250.534912984003,
        0.080000000000000002,
        8000,
        9200,
        10000,
        12000,
        14500,
        -9000,
    ],
    [
        12678.677633095,
        0.050000000000000003,
        2000,
        2400,
        2900,
        3500,
        4100,
    ],
];