Barbara Flynn's company has compiled the data below on a small set of products. Based on the percentages of dollar volume, perform an ABC analysis on her data by completing the table below. Assume that class A items represent about 72% of the total dollar usage, class B-about 23%, class C-less than 5% (round your responses to the nearest whole number). Item A B C D E Annual Demand 50 75 150 500 400 Unit Cost $90 $140 $100 $70 $90 Annual Dollar Volume Classification $4,500 $10,500 $ $ ▼ D ▼

At a recent manufacturing workshop, XYZ, Incorporated explained that demand for disposable masks increase rapidly in March 2020 when quarantine mandates first took effect. At the time, retailers could only place a single order to cover demands through the end of the summer. A certain retailer purchased disposal masks from a supplier at a cost of $20 per unit and sold them for $30 per unit. By the end of summer, demand for masks subsided considerably and all masks that weren't sold during the summer could be sold at a discounted price of $18 per unit. The retailer estimated that demand between March and August would be Normally distributed with mu = 10,000 and sigma = 1525 units With, supply chains becoming more stable since March 2020, the retailer is currently in the process of establishing a contract with a disposable mask supplier. The supplier has agreed to sell masks to the retailer for $18 per unit and will make deliveries any time the supplier places an order for a cost of $100…

help me and also explain please.

In a Q system, the demand rate for strawberry ice cream is normally distributed, with an average of 295 pints per week. The lead time is 6 weeks. The standard deviation of weekly demand is 16 pints. Refer to the standard normal table for z-values. a. The standard deviation of demand during the 6-week lead time is 39 pints. (Enter your response rounded to the nearest whole number.) b. The average demand during the 6-week lead time is 1770 pints. (Enter your response as an integer.) c. The reorder point that results in a cycle-service level of 96 percent is pints. (Enter your response rounded to the nearest whole number.)