You are a member of the legislature of a large Midwestern state. Your state is running short of money to carry out some much needed programs. As a possible solution you suggest that the state government issue its own currency to people who work for it. The currency can be exchanged for dollar bills at a rate that is to be fixed by the state the first of every month. Is your idea constitutional

Asupermarket has been experiencing long lines during peak periods of the day. the problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to the day of the week. there are usually enough workers on the job to open all cash registers. the problem is knowing when to call some of the workers stocking shelves up to the front to work the checkout counters. how might decision models the supermarket? what data would be needed to develop these models?