A retailer defines a discount promotion so that all discount items are 20 percent off their original price. The retailer defines a second discount so that widget category items are an additional 5…

A retailer defines a discount promotion so that all discount items are 20 percent off their original price. The retailer defines a second discount so that widget category items are an additional 5 percent off. You need to ensure that customers who buy a widget item will get both discounts. Which Discount Concurrency Model should you define?