const InvoiceItem = ({ invoice }) => { const productTotal = (p) => { return (p.quantity * (p.product.status == 3 || p.product.status == 4 ? p.product.promoPrice : p.product.price)).toFixed(2) } const totals = () => { var price = 0; var tax = 0; invoice.products.map((p)=>{ price += productTotal(p) }) } return (