Which of the following is an expression of profit for a perfectly competitive firm? profit for a perfectly competitive firm can be expressed as;
(a) profitequals=(upper p times upper q )minus (tc times upper q )(p×q)−(tc×q), where p is price, q is output, and tc is total cost.
(b) profitequals=pminus−atc, where p is price and atc is average total cost.
(c) profitequals=ptimes×q, where p is price and q is output.
(d) profitequals=(upper p minus atc )times upper q(p−atc)×q, where p is price, q is output, and atc is average total cost.
(e) profitequals=pminus−mc, where p is price and mc is marginal cost.

Which statement is true about the elements of the interface of a presentation program? a. the status bar appears at the top of the page and displays options to style your slides. b. the tool bar displays the thumbnails of your presentation slides in the order they will appear in the presentation. c. rulers indicate the margins, tabs, and indents in a presentation slide. d. the document area provides a list of commands to create, format, and edit presentations.

Consider the following limit order book for a share of stock. the last trade in the stock occurred at a price of $50. limit buy orders limit sell orders price shares price shares $49.75 500 $49.80 100 49.70 900 49.85 100 49.65 700 49.90 300 49.60 400 49.95 100 48.65 600 a. if a market buy order for 100 shares comes in, at what price will it be filled? (round your answer to 2 decimal places.) b. at what price would the next market buy order be filled? (round your answer to 2 decimal places.) c. if you were a security dealer, would you want to increase or decrease your inventory of this stock? increase decrease

Which maxim is being neglected in the following conversation? eli: how did you do at the track meet? caleb: i came in second place! eli: congratulations! what was your time? caleb: six minutes, four seconds. the guy who won only beat me by three seconds. eli: really? katie said the winning time was under 6 minutes. caleb: oh, well, he might have beat me by five seconds. a)maxim of quantity b)maxim of quality c)maxim of relevance d)maxim of manner