How is the average collection period computed? a : by dividing net credit sales by ending gross accounts receivable b : by dividing 365 days by the accounts receivable turnover ratio c : by dividing net credit sales by average gross accounts receivable d : by dividing the accounts receivable turnover ratio by 365 days

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?