Tom Hinkerton of Miami, Florida, has decided to set up a

high-tech street-corner lemonade stand. He wants to use a

notebook computer to record all sales in real time, and he

also wants to track his inventories of fresh lemons, bottled

water, and sugar. Some things he wants from his system:

a. profit reports

b. sales tax reports for the state of Florida

c. any type of report that can help him improve his profits

You have been hired as Tom's accountant.

a. Define EA for Tom's business.

b. Define a supply chain model for Tom's business.