Which of the following best describes the meaning of the multiplicities next to the number 4 in the preceding diagram?
a. Each stock is bought/sold at least once.
b. Each stock is bought/sold only once.
c. Each stock is bought/sold a maximum of many times.
d. Each stock is bought/sold a minimum of many times.
e. Both a and c are correct.

Transcribed Image Text:

Stock Exchanges 0..* 2 1..* Stocks 1..1 3 Brokers 6 0..* 4 1..1 5 0..* Buy/Sell Transactions