Brews 4 U is a local chain of coffee shops. Managers are interested in the costs of the stores and believe that the costs can be explained in large part by the number of customers patronizing the stores. Monthly data regarding customer visits and costs for the preceding year for one of the stores have been entered into the regression analysis. 5,400 43, 800 Average monthly customer visits Average monthly total costs Regression results: Intercept b coefficient 687.65 7.59 0.79754 Required:
a. In a regression equation expressed as y= a + bx, how is the letter b best described?
b. How is the letter y in the regression equation best described?
c. How is the letter x in the regression equation best described?
d. Based on the data derived from the regression analysis, what are the estimated costs for 370 customer-visits in a month?
e. What is the percent of the total variance that can be explained by the regression equation?

Vital industries manufactured 2 comma 200 units of its product huge in the month of april. it incurred a total cost of $ 121 comma 000 during the month. out of this $ 121 comma 000, $ 46 comma 000 comprised of direct materials used in the product and the rest was incurred because of the conversion cost involved in the process. ryan had no opening or closing inventory. what will be the total cost per unit of the product, assuming conversion costs contained $ 10 comma 900 of indirect labor?

5. profit maximization and shutting down in the short run suppose that the market for polos is a competitive market. the following graph shows the daily cost curves of a firm operating in this market. 0 2 4 6 8 10 12 14 16 18 20 50 45 40 35 30 25 20 15 10 5 0 price (dollars per polo) quantity (thousands of polos) mc atc avc for each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the previous graph to identify its total variable cost. assume that if the firm is indifferent between producing and shutting down, it will produce. (hint: you can select the purple points [diamond symbols] on the previous graph to see precise information on average variable cost.) price quantity total revenue fixed cost variable cost profit (dollars per polo) (polos) (dollars) (dollars) (dollars) (dollars) 12.50 135,000 27.50 135,000 45.00 135,000 if the firm shuts down, it must incur its fixed costs (fc) in the short run. in this case, the firm's fixed cost is $135,000 per day. in other words, if it shuts down, the firm would suffer losses of $135,000 per day until its fixed costs end (such as the expiration of a building lease). this firm's shutdown price—that is, the price below which it is optimal for the firm to shut down—is per polo.

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?