qst-exe

<?php declare(strict_types=1);

// 消費税10%
const TAX = 0.1;

// 商品単体の値段を計算する
function calculate(int $price, int $count): float
{
    return $price*$count*(1+TAX);
}

qst-exe

<?php declare(strict_types=1);

$property_list = [
    [
        "name" => "物件A",
        "price" => 50000000,
        "income" => 5000000,
        "expenses" => 1000000,
        "purchaseExpenses" => 3000000,
    ],