【单选题】Information Inc. sells accounting software for $100 per package, while variable cost is $30 per package, and fixed costs are $10,000. How many unit (packages) must Information Inc. sell in order to yi...
【简答题】As world travel increases, nations learn from each other. In the United States today there are many evidences of this fact. In the frozen food departments of a supermarket the shopper often finds pack...