Premier consulting’s two consultants, avery and baker, can be scheduled to work for clients up to a maximum of 160 hours each over the next four weeks. a third consultant, campbell, has some administrative assignments already planned and is available for clients up to a maximum of 140 hours over the next four weeks. the company has four clients with projects in process. the estimated hourly requirements for each of the clients over the four-week period are as follows:

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?