For each of the following, determine the expected cash flows. (Show amounts that decrease cash flow with either a - sign e.g. -15,000 or in parenthesis e.g. (15,000).) Cash Flow Estimate Probability Assessment (a) $4,000 20 % 6,500 40 % 8.200 40 % (b) 6,200 20 % 8,300 50 % 8,100 30 % (c) (1,300) 10 % 3,000 80 % 5,500 10 %