Khayyam Company, which sells tents, has provided the following information: Sales price per unit $45 Variable cost per unit 11 Fixed costs per month 12,700 What are the required sales in units for Khayyam to break even? (Round your answer up to the nearest whole unit.)

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?