The changes in account balances for elder company for 2018 are as follows: assets $ 680,000 debit common stock 350,000 credit liabilities 190,000 credit paid-in capital—excess of par 30,000 credit assuming the only changes in retained earnings in 2018 were for net income and a $50,000 dividend, what was net income for 2018?

(a) $140,000.
(b) $150,000.
(c) $160,000.
(d) $170,000.

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?