The manager of a convenience store sells four cases of beer each day. order costs are $8.00 per order, and the beer costs $.80 per six-pack (each case of beer contains four six-packs). orders arrive three days from the time they are placed. daily holding costs are equal to 5 percent of the cost of the beer. at what point should he reorder stein beer? a. 0 cases remainingb. 4 cases remainingc. 12 cases remainingd. 16 cases remaininge. 20 cases remaining

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?