Brian is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of History is Fun he sells. Suppose that x and y arerelated by the equation 1900 + 110x=y.Answer the questions below.Note that a change can be an increase or a decrease.For an increase, use a positive number. For a decrease, use a negative number.what is the change in Bran's total pay for each copy of History is fun he sells?sDWhat is Brian's total pay it he doesn't sell any copies of History is Fun?s]