Please help me with this linear question.

1.6.4 Assigned Media Question Help 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, 40% to Energy, 25% to Transportation, and retains the rest. Energy sells 30% of its output to Mining, 15% to Lumber, 30% to Transportation, and retains the rest. Transportation sells 20% of its output to Mining, 15% to Lumber, 60% 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 Lumber Energy Transportation (Type integers or decimals.)