The lowest turning point of a business cycle, where overall production and employment touch the bottom, is the:

1. The diagram starts at the trough, where overall economic activity is at its lowest level. 2. Production and employment are at the bottom at this point. 3. The correct choice is "Trough". _Source: ICAI BoS CA Foundation Paper 4 Business Economics, Ch 5 "Business Cycles", p.1_