<?php // cost, salvage, life, period, month, result return [ [ 1000000, 100000, 6, 1, 7, 186083.33333333, ], [ 1000000, 100000, 6, 2, 7, 259639.41666667, ], [ 1000000, 100000, 6, 3, 7, 176814.44274999999, ], [ 1000000, 100000, 6, 4, 7, 120410.63551275, ], [ 1000000, 100000, 6, 5, 7, 81999.642784183001, ], [ 1000000, 100000, 6, 6, 7, 55841.756736028001, ], [ 1000000, 100000, 6, 7, 7, 15845.098473848, ], [ 10000, 1000, 5, 1, 6, 1845.0, ], [ 10000, 1000, 5, 2, 6, 3009.1950000000002, ], [ 10000, 1000, 5, 3, 6, 1898.8020449999999, ], [ 10000, 1000, 5, 4, 6, 1198.1440903949999, ], [ 10000, 1000, 5, 5, 6, 756.02892103925001, ], [ 10000, 1000, 5, 6, 6, 238.52712458788, ], [ 0, 0, 5, 6, 6, 0.0, ], [ -1000, 100, 5, 6, 6, '#NUM!', ], [ 'ABC', 100, 5, 6, 6, '#VALUE!', ], ];