Contract.
A contract is a legally binding agreement that controls the rights and responsibilities of the parties who agree to it.
Answer:
B) Is not a contract because there is no consideration for B's promise.
Explanation:
In contract law, consideration is the benefit that must be bargained for between the parties involved. It is the essential reason for the parties entering a contact. Consideration must have some value and is exchanged on the performance or promise from the other party.
Common law rules on contract modifications require some new consideration in order to modify an existing contract. In this case, only B added some new consideration (more money) to the written contract, A didn't add anything new.
Answer:
A) $800,000
Explanation:
Since the current reserve ratio is 20%, and the bank has no excess reserves, then the maximum it can lend if it receives $1 is $800,000.
The bank has currently $50 million in deposits and $10 million in reserves ($6 million in cash and $4 million in the Fed), so its reserves are exactly 20% of its total deposits. So if any new deposits are received, the bank will have to keep as reserves 20% of it (= $1,000,000 x 20% = $200,000).
This type of banking system is called the fractional banking system because banks are only required to keep a fraction of the money they receive as deposits and they can lend the rest to other clients.