A mixed Table 2 load has 1,500 pounds of flammable liquid and 200 pounds of corrosive. What is generally required?

1. A FLAMMABLE placard for the class exceeding the threshold, plus any other required placards
2. DANGEROUS only because two classes are present
3. No placards because packages are non-bulk
4. Class 7 placards because total exceeds 1,001 pounds