[Solved] Naked options are similar to covered options. Cash Discount: An incentive offered for the early payment of an invoice or bill, reducing the amount owed. Complement Rate: The percentage subtracted from 100% to find the remaining portion of a rate, often used in insurance and finance to determine net rates. Discount Date: The date on which a bill of exchange or other payment instrument is discounted, meaning it is computed for present value before its maturity date. Freight Charge: A fee charged for the transportation of goods by freight services, often based on the weight and distance.