Continuing the previous problem use goal seek for each value of numbermailed $($once for $80000,$ once for $90000$ and so on$).$ For each, find theresponse rate that allows the company to break even$\mathrm{.}3.$In the quality sweaters model, the range E$9$:E$11$ does not have a range name.Open your completed Excel file and name this rangeCosts. Then look at theformula in cell E$12.$ It does not automatically use the new range name. Modifythe formula so that it does$\mathrm{.}4.$As the quality sweaters problem is now modelled, if all inputs remain fixedexcept for the number mailed, profit will increase indefinitely as the numbermailed increased. This hardly seems relative$-$ the company could becomeinfinitely rich. Discuss realistic ways to mod