Welch Corporation is planning an investment with the following characteristics (Ignore income taxes.): Useful life 6 years Yearly net cash inflow $ 45,000 Salvage value $ 0 Internal rate of return 18 % Required rate of return 14 % See separate Exhibit 13B-1 and Exhibit 13B-2, to determine the appropriate discount factor(s) using the tables provided. The initial cost of the equipment is closest to:

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

Oz makes lion food out of giraffe and gazelle meat. giraffe meat has 18 grams of protein and 36 grams of fat per pound, while gazelle meat has 36 grams of protein and 18 grams of fat per pound. a batch of lion food must contain at least "46,800" grams of protein and 70,200 grams of fat. giraffe meat costs $1/pound and gazelle meat costs $2/pound. how many pounds of each should go into each batch of lion food in order to minimize costs? hint [see example 2.]

Firms like papa john’s, domino’s, and pizza hut sell pizza and other products that are differentiated in nature. while numerous pizza chains exist in most locations, the differentiated nature of these firms’ products permits them to charge prices above marginal cost. given these observations, is the pizza industry most likely a monopoly, perfectly competitive, monopolistically competitive, or an oligopoly industry?