20 Points Please Help!!!Vance sells between 300 and 310 items at a convention. He pays a one time $450 fee, and earns $15 commission for each item that he sells.The function p(i)=15i−450p represents Vance's convention earnings as a function of items sold.What is the practical domain of the function?300≤iall integers between 300 and 310 inclusive[300,  310]all real numbers