Suppose an economy is depicted by the expenditure function provided below: C + G + I + X = $300 + 0.80timesY + $350 + $275 + $75 All figures are in billions of dollars. Assume there are no taxes in this nation so disposable income Yd = Y. The economy reaches an equilibrium at $ nothing billion. (Enter your answer as a whole number)

Consider two similar industries, portal crane manufacturing (pcm) and forklift manufacturing (flm). the pcm industry has exactly three incumbents with annual sales of $800 million, $200 million and $100 million, respectively. the flm industry has also exactly three incumbents, with annual sales of $500 million, $450 million and $400 million, respectively. which industry is more likely to experience a higher level of rivalry?