Which of the following is associated with macroeconomics? a. an examination of the incomes of harvard business school graduates b. an empirical investigation of the general price level and unemployment rates since 1990 c. a study of the trend of pecan prices since the second world war d. a case study of pricing and production in the textbook industry

Adamson company manufactures four lines of garden tools. as a result of an activity analysis, the accounting department has identified eight activity cost pools. each of the product lines is produced in large batches, with the whole plant devoted to one product at a time. classify each of the following activities or costs as either unit-level, batch-level, product-level, or facility-level. activities (a) machining parts. (b) product design. (c) plant maintenance. (d) machine setup. (e) assembling parts. (f) purchasing raw materials. (g) property taxes. (h) painting.