1. Contracts can be classified as:
a. formal or informal.
b. single or multiple.
c. pre-contract and after-contract.
d. all of the above. .
2. In which of the following cases is a contract between A and B binding?
a. A makes a mistake of material fact.
b. A and B make the same mistake of material fact.
c. A recklessly but honestly misrepresents a material fact.
d. A innocently misrepresents a material fact.