To calculate the difference of any two numbers

Jessie has received a contract to build a real-time application for a baker. however, the baker doesn't want to invest too much money. his only requirement is that he wants the customers to know which cupcakes are available at what time and in what quantity. so his core requirement is that the details of product should be in real time. what platform can jessie use to develop this application?

5. illustrate how fine-line inventory classification can be used with product and market segments. what are the benefits and considerations when classifying inventory by product, market, and product/market?

You have a small company and want to keep your costs low, but it is important your employees share data. which network would provide you with the most economical solution?