Music doctors just announced yesterday that its first quarter sales were 35% higher than last year's first quarter. you observe that music doctors had an abnormal return of 2% yesterday. this suggests that a. the market is not efficient. b. music doctors stock will probably rise in value tomorrow. c. investors expected the sales increase to be larger than what was actually announced. d. investors expected the sales increase to be smaller than what was actually announced. e. earnings are expected to decrease next quarter.

Abakery wants to determine how many trays of doughnuts it should prepare each day. demand is normal with a mean of 5 trays and standard deviation of 1 tray. if the owner wants a service level of at least 95%, how many trays should he prepare (rounded to the nearest whole tray)? assume doughnuts have no salvage value after the day is complete.

Each month, business today publishes a news piece about an innovative product, service, or business. such soft news is generally written by a freelance business writer and is known as a

Galwaysc electronics makes two products. model a requires component a and component c. model b requires component b and component c. new versions of both models are released each year with updated versions of all components. all components are sourced overseas, and abc contracts annually for a quantity of each component before seeing that year’s demand. components are only assembled into finished products once demand for each model is known. for the coming year, alwaysc’s purchasing manner has proposed ordering 500,000 units of component a, 630,000 of component b, and 1,000,000 units of component c. her boss has asked why she has recommended purchasing so much of components a and b when alwaysc will not have enough of component c to fully use all of the inventory of a and b. what factors might the purchasing manager cite to explain her recommended order? explain your reasoning.