I wonder when in (pre)history commerce first developed. 200,000 years ago could Lynx have offered classes in return for food, shells, or an early form of debt?

I wonder when in (pre)history commerce first developed. 200,000 years ago could Lynx have offered classes in return for food, shells, or an early form of debt? (e.g., “Teach me to fish and I will share half of my first year’s catch with you.”)