Which of the following best describes the meaning of the multiplicities next to the number 3 in the preceding diagram?

Multiple Choice

• Each transaction involves at least one stock.

• Each transaction involves only one stock.

• Each transaction involves a minimum of zero stocks.

• Each transaction involves a maximum of many stocks.

• Both "Each transaction involves at least one stock" and "Each transaction involves only one stock" are correct.

Stock Exchanges Brokers 6 1.1 21.. 5 0.. 1..1 0.. Stocks Buy/Sell Transactions 3