Expansion, peak, recession, and trough are all periods of the . A. business cycle B. consumer price index C. gross domestic product  D. annual percentage change​

Why was carnegie steel able to offer its product at a lower price than its competitors? a.carnegie cut corners in his production, lowering his costs. b.carnegie made a weak product, which was less expensive. c.carnegie owned the raw materials, factories, and distribution. d.carnegie created the bessemer process, which lowered costs.