computer store - fundamentals

function computerStore(arr) {
    let price = 0;
    let customer = "";
    for (const line of arr) {

        if (line == "special" || line == "regular") {
            customer = line;
        break;
        }
        let currentPrice = Number(line);
        if (currentPrice <= 0) {
            console.log(`Invalid price!`);
            continue;
        }
        price += currentPrice;
    }
    if (price = 0) {
        console.log(`Invalid order!`);
    } else {
        let tax = price * 0.2;
        let total = price + tax;
        if (customer == `special`) {
            total *= 0.9;
    }
    console.log(`Congratulations you\'ve just bought a new computer!
Price without taxes: ${price.toFixed(2)}$
Taxes: ${tax.toFixed(2)}$
-----------
Total price: ${total.toFixed(2)}$`);

    }
}