Suppose the cost to produce an additional unit of output is $20 what is the change in total variable cost

Dr. dow jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. of the six sections of economics 101 at his university, dr. jones randomly assigns three sections to the traditional method and three sections to the problem-based method for unit 1 of the course. then all sections switch the instructional method for unit 2. he plans to compare the performance of the two groups of sections on their unit 1 and unit 2 exams. this study employs a design.

Sharon had some insider information about a corporate takeover. she unintentionally informed a friend, who immediately bought the stock in the target corporation. the takeover occurred and the friend made a substantial profit from buying and selling the stock. the friend told sharon about his stock dealings, and gave her a pearl necklace because she "made it all possible." the necklace was worth $10,000, but she already owned more jewelry than she desired.

Why is it vital to maintain a designer worksheet? a. it separates the designs chosen for the season from those rejected by the company. b. it keeps a record of all designs created by the designer for a season. c. it charts out the development of an entire line through the season and beyond. d. it tracks the development of a design along with costing and production details. done