Problem $2(15$ points$)$

Consider relation SALE$($Product ID$,$ Agent$\_$ID$,$ Date$\_$sold, Commision, Discount$)$ Assume that a product may be sold by multiple agents and hence $\{$Product$\_$ID$,$ Agent$\_$ID$\}$ is the primary key. Additional functional dependencies are:

Date$\_$sold $$ Discount, Agent$\_$ID $$ Commission, Product$\_$ID $$ Date$\_$sold