K 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, 60% to Energy, 15% to Transportation, and retains the rest. Energy sells 20% of its output to Mining, 15% to Lumber, 25% to Transportation, and retains the rest. Transportation sells 10% of its output to Mining, 10% to Lumber, 60% to Energy, and retains the rest portation solls 10 a Construct the exchange table for this economy. b. Find a set of equilibrium prices for this economy