$90\mathrm{.}3$ points

Customers who come to Ross may be helped by any available salesperson. If more than one salesperson helps the same customer with the same transaction, those salespers would split the sale commission. Salespersons are added to the database as soon as they are hired. A sale cannot be made without a salesperson. The multiplicities for the relationship between Sale and Salesperson for Ross are:

Sale $(1.\mathrm{.}1)$ to salesperson $(0.\mathrm{.}1)$

Sale $(1..$N$)$ to salesperson $($O$..$N$)$

Sale $(0..$N$)$ to salesperson $(1.\mathrm{.}1)$

Sale $(0..$N$)$ to salesperson $(1..$N$)$