Suppose an economy has four sectors: Mining, Lumber, Energy, and Transportation. Mining sells 15% of its output to Lumber, 50% to Energy, and retains the rest. Lumber sells 15% of its output to Mining, 50% to Energy, 15% to Transportation, and retains the rest. Energy sells 20% of its output to Mining, 15% to Lumber, 20% to Transportation, and retains the rest. Transportation sells 10% of its output to Mining, 15% to Lumber, 40% to Energy, and retains the rest. a. Construct the exchange table for this economy. b. Find a set of equilibrium prices for this economy. a. Complete the exchange table below. Distribution of Output from: Mining Lumber Energy Transportation Purchased by: Mining i [ ] Lumber 0 0o 4 ] Energy [_] _ |_| J Transportation {Tune infeners or decimals )