While negotiating with stewart to purchase his house, yasmine asks him about the condition of the roof. "excellent," he replies. "it is only 2 years old, and should last 25 more." in fact, stewart knows that the roof is 26 years old and has had a series of leaks. the parties sign a sales contract for $600,000. a week before yasmine is to pay for the house and take possession, she discovers the leaks and learns that a new roof will cost $35,000. what kind of contract exists between yasmine and stewart?

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?

Which external factor has enabled addition of special effects in advertisements and tracking of responses of customers over websites?

John has been working as a tutor for $300 a semester. when the university raises the price it pays tutors to $400, jasmine enters the market and begins tutoring as well. how much does producer surplus rise as a result of this price increase?