Stage Checkpoint

order_id,date,category,units,unit_price_cents
Q01,2026-06-01,pens,2,80
Q01,2026-06-01,pens,2,80
 Q01 ,2026-06-01,pens,3,80
Q02,bad-date,markers,unknown,150
Q03,2026-06-03, NOTEBOOKS ,4,250