Best Bikes produces bicycles and buys brakes from a supplier in Japan. The brake set for one bicycle costs $125, and it is $35 to process the order with the supplier. The company consistently sells 50 bicycles a week (for 52 weeks of the year) and holds an average of 1 week of brake sets in inventory to cover the constant lead time from Japan. The company uses a holding/carrying rate of 25%. 1. What is the average inventory carrying/holding cost for the brakes? (5 points) 2. What is the EOQ for the brakes? (5 points) 3. What is the ROP for the brakes? (5 points) 4. What is the total annual inventory cost for the brakes? (5 points)

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