Consider a perfectly competitive market for sandwiches. All firms in this market are identical, with total costs T C = 1 2 q 2 + 5q + 18 and marginal costs MC = 5 + q, where q is the quantity an individual firm produces. Market demand is given by QD = 175 2 − 5 2 P. (a) Find the break-even price and quantity for a firm in this market. (b) What is the supply curve of an individual firm in this market? (c) Suppose there are currently 5 firms in the market. What is the market supply curve? (d) Find the equilibrium market price and quantity. How many sandwiches will each firm produce, and what will be each firm’s profit? (e) In the long-run equilibrium, what will each firm’s profit be? What will happen to the number of firms in the market? Explain. (f) User your answer from (e) to determine the market price and firm quantity in the long run. (g) What will the market quantity be in the long run, and how many firms will be in the market?

When paul o’neill joined alcoa as ceo, he set a , that there would be zero workplace accidents. a lot of people in the organization thought this was impossible given how dangerous some aluminum-manufacturing jobs are, but alcoa’s safety record improved tremendously. as the board of governors of the american red cross considers planning, one option is to make strategic plans and then direct managers to align tactical and operational plans accordingly. another option is to have planning specialists managers across the organization make their own plans. why might this organization’s executives opt for the latter approach? check all that apply. (a) the environment is a dynamic one, and department and frontline managers can come up with more responsive plans than can central leadership. (b)resources will be better coordinated across the organization in support of the overall strategy.(c) senior leadership will have more control over the organization’s direction. (d)when managers come up with their own plans, they are likely to be more committed to following through on them.

Aaron corporation, which has only one product, has provided the following data concerning its most recent month of operations: selling price $ 102 units in beginning inventory 0 units produced 4,900 units sold 4,260 units in ending inventory 640 variable costs per unit: direct materials $ 20 direct labor $ 41 variable manufacturing overhead $ 5 variable selling and administrative expense $ 4 fixed costs: fixed manufacturing overhead $ 64,200 fixed selling and administrative expense $ 2,900 the total contribution margin for the month under variable costing is:

Biochemical corp. requires $600,000 in financing over the next three years. the firm can borrow the funds for three years at 10.80 percent interest per year. the ceo decides to do a forecast and predicts that if she utilizes short-term financing instead, she will pay 7.50 percent interest in the first year, 12.15 percent interest in the second year, and 8.25 percent interest in the third year. assume interest is paid in full at the end of each year. a)determine the total interest cost under each plan. a) long term fixed rate: b) short term fixed rate: b) which plan is less costly? a) long term fixed rate plan b) short term variable rate plan