Please solve 8 and 9 number question

8. An economy in equilibrium is described by the following 500 125 G = 75 BD = -50 O If both taxes and consumption are strictly proportional to income, what are the levels of private consumption and saving in the economy? 9. Let the following equations describe a closed economy without a government: C = 50 + 0.8Y 1 = 50 + 0.1Y. What is the level of saving at equilibrium? ii) Now suppose that households in this economy become more thrifty and spend a smaller fraction of income on consumption; MPC declines from 0.80 to 0.65 What is the level of saving now? Can you explain the result