QUESTION $5$

Big City Java is a local coffee bar. Using Excel, the manager of Big City Java estimates the weekly demand function for their grand mocha coffees to be Q $d_d=650-15\mathrm{.}25P.$ The estimated regression equation suggests that if Big City Java decreased its price of grana mocha coffees from $$9\mathrm{.}50$ to $$7\mathrm{.}50,$ the predicted or estimated quantity demanded of coffees would

decrease by $30\mathrm{.}5$

increase by $25\mathrm{.}5.$

increase by $30\mathrm{.}5$

decrease by $25\mathrm{.}5.$