33. Sanford and Son sells athletic equipment. The following events, related to a special customer order, occur as described below: September 1, 2019: Sanford receives the special order for 300 football helmets at a selling price of $100 each, including delivery at a future convenient time and location. The customer, with whom Sanford has had a long-term, trouble-free relationship, pays $5,000 as a deposit, and agrees to pay the rest on delivery. Sanford immediately orders $20,000 worth of helmets from its supplier and pays a $5,000 deposit for them. . September 20, 2019: Sanford pays a $15,000 balance due to the supplier ogon delivery of the helmets October 1, 2019: The customer calls for delivery of the helmets and pays the balance of $25,000 when they arrive at the customer site. What is the gross margin that Sanford earned on the order? $10.000 $20.000 $25,000 $30,000