Nathan calculated his company’s economic order quantity and categorized all production costs. One cost was related to the cost of storing milk in the freezers, and another cost was related to the insurance expenses that covered the company’s inventory. To which cost category would Nathan assign these costs? Nathan would assign these costs to the section of the economic order quantity.

Anew 2-lane road is needed in a part of town that is growing. at some point the road will need 4 lanes to handle the anticipated traffic. if the city's optimistic estimate of growth is used, the expansion will be needed in 4 years and has a probability of happening of 40%. for the most likely and pessimistic estimates, the expansion will be needed in 8 and 15 years respectively. the probability of the pessimistic estimate happening is 20%. the expansion will cost $ 4.2 million and the interest rate is 8%. what is the expected pw the expansion will cost?