If the four largest firms in an industry produce 20, 10, 7, and 3 units of output, respectively, and total industry output is 100 units, then the four-firm concentration ratio equals . Multiple choice question. 25% 40% 75% 0.4%

Ashop owner uses a reorder point approach to restocking a certain raw material. lead time is six days. usage of the material during lead time is normally distributed with a mean of 42 pounds and a standard deviation of four pounds. when should the raw material be reordered if the acceptable risk of a stockout is 3 percent?

Based on this model, households earn income whenfirms purchasegoods and services in factor markets. suppose eileen earns $575 per week working as an analyst for a-plus accountants. she uses $10 to buy a box of aspirin at pillmart pharmacy. pillmart pharmacy pays clancy $250 per week to work the cash register. clancy uses $125 to purchase tax services from a-plus accountants. identify whether each of the following events in this scenario occurs in the factor market or the product market. event factor market product market eileen earns $575 per week working for a-plus accountants. eileen spends $10 to buy a box of aspirin. clancy spends $125 to purchase tax services from a-plus accountants. which of the elements of this scenario represent a flow from a firm to a household

Which of the following is most likely used by a seller to target an impulse buyer? a. contest b. coupon c. display d. rebate select the best answer from the choices provided