The Canton Corporation operates in four distinct business segments. The segments, along with $2021$ information on revenues, assets, and net income, are listed below $($$ in thousands$)$:

Segment Revenues Assets Net Income

Pharmaceuticals $ $3,600$ $ $2,600$ $ $360$

Plastics $4,6003,100430$

Farm equipment $4,1002,050480$

Electronics $1,300410120$

Total company $ $13,600$ $ $8,160$ $ $1,390$

Required:

$1.$ For which segments must Canton report supplementary information according to U$.$S$.$ GAAP?