Which of the following best describes the relationship between diminishing marginal returns and marginal cost? a. if marginal returns are diminishing while output increases, marginal cost must be increasing. b. if marginal returns are diminishing while output increases, marginal cost must be decreasing. c. if marginal returns are diminishing while output increases, marginal cost can be either increasing or decreasing. d. marginal returns diminish as output decreases, and thus marginal cost must increase. e. marginal returns diminish as output increases, and thus marginal cost must decrease.

Employers hiring for entry-level positions in hospitality and tourism expect workers to

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

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.