Here's another suggestion: group the five products into big sellers (ice cream, frozen burgers, and also chili sauce at the end of the period) , and small sellers (tofu, salted peanuts, chili sauce at the beginning of the period) .

把五个产品分成销量大（冰淇淋、冷冻汉堡和结束时期的辣椒酱）和销量小（豆腐、鲜花生和开始时期的辣椒酱）两部分。