B. Calculation problems (50 points) 19 35 1. Solve the value of X in the following cash flow diagrams, so that the top cash-flow diagram is economic equivalent to the bottom one. We consider the interest rate is 10% per year. (25') i=10% $1.000 $5,000 I 0 1 2 3 4 5 6 3.X i=10% 0 1 2 3 4 X 5 6