You run a coffee shop where demand is constant week to week. You use 10 bags of roasted coffee each week. Currently, you order whole roasted coffee beans from an out-of-town supplier who charges $20 per bag and a fixed cost of $100 per delivery. Storage for each bag per month is estimated at $1. Assume your coffee shop operates for 52 weeks and 12 months per year. Assume there are no lead times. Required:
a. Under these costs, what is the optimal order size (in bags)?
b. How often (in months) do I place an order under my solution to part a?
c. What are my annual total costs (including purchasing costs) under my solution to part a?

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.