For questions $16,$ please use the logical entity$-$relationship $($ER$)$ model in Figure $1$ to answer the questions.

Figure $1.$ Bank Accounts ER Model

Figure $1.$ Bank Accounts ER Model

QUESTION $1$

List the names of each entity, the key attributes of each, and the non$-$key attributes of each.

QUESTION $2$

What is the cardinality $($both minimum and maximum$)$ of each relationship?

QUESTION $3$

According to this model, can an account have more than one customer? If yes, why? If no$,$ why not?

QUESTION $4$

How can a transaction be linked to an account, a merchant, and a transaction type all at the same time?

QUESTION $5$

According to this model, can we answer any questions about what types of accounts our customers have? If yes, why? If no$,$ why not?

QUESTION $6$

According to this model, can we answer questions about who made a purchase on a specific date from a specific merchant? If yes, why? If no$,$ why not?