Using the normalized relation notation, an attribute of a relation which is the primary key of another relation is indicated by:

a. a dashed underline.
b. a double-lined ellipse
c. a circle.
d. italics.
e. an underline.

Uppose the book-printing industry is competitive and begins in a long-run equilibrium. then hi-tech printing company invents a new process that sharply reduces the cost of printing books. suppose hi-tech's patent prevents other firms from using the new technology. which of the following statements are true about what happens in the short run? check all that apply. hi-tech's average-total-cost curve shifts downward. hi-tech's profits increase. the price of books remains the same. hi-tech's marginal-cost curve remains the same.

Employees of dti, inc. worked 1,600 direct labor hours in january and 1,000 direct labor hours in february. dti expects to use 18,000 direct labor hours during the year, and expects to incur $22,500 of worker’s compensation insurance cost for the year. the cash payment for this cost will be paid in april. how much insurance premium should be allocated to products made in january and february?

Which of the following statements concerning an organization's strategy is true? a. cost accountants formulate strategy in an organization since they have more inputs about costs. b. businesses usually follow one of two broad strategies: offering a quality product at a high price, or offering a unique product or service priced lower than the competition. c. a good strategy will always overcome poor implementation. d. strategy specifies how an organization matches its own capabilities with the opportunities in the marketplace to accomplish its objectives.