D) as a smart consumer, you are always on the lookout for sales, coupons, and rebates. while shopping for new clothes, you notice that one particular brand of shirts is on sale for 20% off the original price. you also have a coupon for $10 off a $40 purchase. coupons are applied after the 20% discount is taken. if each shirt originally costs $17.99, how many shirts would you need to buy to be able to use your coupon

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?

Management training programs, mentoring programs, and coaching systems are examples of