What is the shelf life of an item placed in a peel package or wrapped in nonwoven wrapper

The new york company produces high quality chairs. variable manufacturing overhead is applied at a standard rate of $12 per machine hour. each chair requires a standard quantity of six machine hours. production for the month totaled 4,000 units. calculate: the standard cost per unit for variable overhead. select one: a. $130,000 b. $192,000 c. $90,000 d. $100,000

Leading guitar string producer wound up inc. has enjoyed a competitive advantage based on its proprietary coating that gives its strings a clearer sound and longer lifespan than uncoated strings. one of wound up's competitors, however, has recently developed a similar coating using less expensive ingredients, which allows it to charge a lower price than wound up for similar-quality strings. wound up's competitive advantage is in danger due to a. a lack of perceived value b. a lack of organization c. direct imitation and substitution d. resource immobility

Now, use your previously-computed value as an approximation for sigma, and compute how many ears of the experimental corn the researcher needs in the study. don't forget, the margin of error and confidence level have already been given to you in a previous problem.