output and total monthly cost of USB chives for three finns in the indust1Y. Given the infonnation in the table, can we draw any conclusions about the retums to scale in the USB drive indust1Y? If so, what does the infonnation suggest about the shape of the long-mn average cost cmve? Firm Monthly Output Total Monthly Cost (S) c 150,000 200,000 225,000 75,000 120,000 146,500