Question: 1. A retailer buys 20 boxes of stationery at $4 each and 400 greeting cards at $0.50 each. The discount rate for the order is 15%. Find the trade discount.
2. A retailer buys 30 electric frying pans listed at $40 each for 10% less than the list price. How much does the retailer have to pay for the frying pans?