Canniff Air uses two measures of activity, flights and passengers, in the cost formulas in its budgets and performance reports. The cost formula for plane operating costs is $56,660 per month plus $2,622 per flight plus $7 per passenger. The company expected its activity in February to be 61 flights and 258 passengers, but the actual activity was 60 flights and 259 passengers. The actual cost for plane operating costs in February was $214,460. The plane operating costs in the planning budget for February would be closest to:

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?