Interface QuoteItem

interface QuoteItem {
    id: number;
    product_name: string;
    variant_description: string;
    custom_text: string;
    custom_number: string;
    quantity: number;
    unit_price: string;
    custom_text_cost: string;
    custom_number_cost: string;
    printing_cost: string;
    line_total: string;
    design_id: number | null;
}