<?php // cost, salvage, life, period, month, result return [ [ 2400, 300, 36500, 1, 0.13150684931507001, ], [ 2400, 300, 36500, 2, 0.13149964346031001, ], [ 2400, 300, 36500, 7, 0.13146362010870999, ], [ 2400, 300, 36500, 7, 14, 0.91843145432707995, ], [ 2400, 300, 120, 1, 2, 40.0, ], [ 2400, 300, 10, 1, 2, 480.0, ], [ 2400, 300, 10, 2, 1.5, 306.0, ], [ 2400, 300, 10, 10, 22.122547200000302, ], [ 10000, 1000, 5, 1, 4000.0, ], [ 10000, 1000, 5, 2, 2400.0, ], [ 10000, 1000, 5, 3, 1440.0, ], [ 10000, 1000, 5, 4, 864.0, ], [ 10000, 1000, 5, 5, 296.0, ], [ -2400, 300, 36500, 1, '#NUM!', ], [ 'ABC', 300, 36500, 1, '#VALUE!', ], ];