For price discrimination via coupons to be successful, it must be TRUE that: a. shoppers who use coupons have more elastic demand than shoppers who do not.
b. shoppers who use coupons have more inelastic demand than shoppers who do not.
c. there is a negative correlation between coupon use and the consumer's willingness to shop for price.
d. firms can directly identify which consumers are the most price sensitive before purchase of the good.

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

Precision aviation had a profit margin of 6.25%, a total assets turnover of 1.5, and an equity multiplier of 1.8. what was the firm's roe? a. 15.23%b. 16.03%c. 16.88%d. 17.72%e. 18.60%

Which career pathways require workers to train at special academies? a.emts and emergency dispatchers b.crossing guards and lifeguards c.police officers and firefighters d.lawyers and judges