All of the following entries may indicate fraud except:a. Journal entries made near the end of an accounting periodb. Journal entries made without documentary supportc. Journal entries that do not balanced. All of the above are frequently indicative of fraud

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?